National Long-Term Care Survey

Results of Search for Publications by NLTCS section: Disease

A cohort analysis of US stomach cancer mortality - 1950 to 1977.   Manton KG, Stallard E. International Journal of Epidemiology. 1982. 11(1):49-61. Abstract.

A comparison of psychiatric disorder in different cultures: Depressive typologies in Southeast-Asian refugees and resident Canadians.   Beiser M, Cargo M, Woodbury MA. Int J Methods Psychiatr Res. 1994. 4(3):157-172.

A Compartment Model Approach to the Estimation of Tumor Incidence and Growth: Investigation of a Model of Cancer Latency.  Tolley HD, Burdick D, Manton KG, Stallard E. Biometrics. 1974. 34(3):377-389.

A stochastic compartment model of stomach cancer with correlated waiting time distributions.   Manton KG, Stallard E, Burdick D, Tolley HD. International Journal of Epidemiology. 1979. 8(3):283-291. Abstract.

A stochastic compartment model representation of chronic disease dependence: Technique for evaluating parameters of partially unobserved age inhomogeneous stochastic processes.   Manton KG, Stallard E. Theoretical Population Biology. 1980. 18(1):57-75.

A study of depressive typologies using grade of membership analysis.   Davidson J, Woodbury MA, Pelton S, Krishnan R. Psychol Med. 1988. 18(1):179-189. Abstract.

A study of somatization disorder in a community population utilizing grade of membership analysis.   Swartz MS, Blazer DG, Woodbury MA, George LK, Manton KG. Psychiatric Developments. 1987. 5(3):219-237. Abstract.

A Theoretical Model of the Physiological Dynamics of Circulatory Disease in Human Populations.  Woodbury MA, Manton KG. Human Biology. 1983. 55(2)417-441.

A two-disease model of female breast cancer: Mortality in 1969 among white females in the United States.   Manton KG, Stallard E. Journal of the National Cancer Institute. 1980. 64(1):9-16.

A variance components approach to categorical data models with heterogeneous cell populations: Analysis of spatial gradients in county lung cancer mortality rates in North Carolina counties.   Manton KG, Woodbury MA, Stallard E. Biometrics. 1981. 37:259-269.

Allelic association but only weak evidence for linkage to the Apolipoprotein E locus in late-onset Swedish Alzheimer families.   Liu L, Forsell C, Lilius L, Axelman K, Corder EH, Lannfelt L. American Journal of Medical Genetics. 1996. 67(3):306-311. Abstract.

Alzheimers-disease and possible gene interaction - Response.   Pericak-Vance MA, Corder EH, Saunders AM, Gaskill PC, Strittmatter WJ, Roses AD, Schmechel DE, Small GW, Haines JL. Science. 1994. 263(5146):537.

An Analysis of Changes in the Risk of Mortality from Chronic Lung Disease, 1968-1977.  Patrick CH, Manton KG. Risk Analysis. 1982. 2(3):183-193.

Analysis of the components of CHD risk in the Framingham Study: New multivarite procedures for the analysis of chronic disease development.   Manton KG, Woodbury MA, Stallard E. Comput Biomed Res. 1979. 12:109-123.

Analytic Approaches for Determining Incidence from Prevalance and Reported Disease Duration.  Woodbury MA, Lowrimore GR, Manton KG, Stallard E. Center for Demographic Studies. 1984. Duke University.

Antisocial and related disorders in a southern community - An application of grade of membership analysis.   Jordan BK, Swartz MS, George LK, Woodbury MA, Blazer DG. Journal of Nerv Ment Dis. 1989. 177(9):529-541.

APOE polymorphism and disease duration determine Alzheimer's disease neuropathology in "Swedish" app double mutation carriers.   Bogdanovic N, Corder EH, Lannfelt L, Basun H, Winblad B. Brain Pathol. 1997. 7(4):1040-1040.

Apolipoprotein E and herpes simplex virus 1 in Alzheimer's disease.   Corder EH, Lannfelt L, Mulder M. Lancet. 1998. 352(9136):1312-1313.

Apolipoprotein E genotype and the rate of decline in probable Alzheimer disease.   Corder EH, Lannfelt L, Basun H. Archives of Neurology. 1996. 53(11): 1094-5.

Apolipoprotein E polymorphism and stroke in a population sample aged 75 years or more.  Basun H, Corder EH, Guo Z, Lannfelt L, Corder LS, Manton KG, Winblad B, Viitanen M. Stroke. 1996. 27(8):1310-1315. Abstract. Full Text.

Apolipoprotein E4 and E2 are susceptibility genes that affect the rate of Alzheimer disease expressivity.   Roses A, Saunders A, Corder EH, Risch N, Haines J, Pericak-Vance M, Han SH, Einstein G, Hulette C, Schmechel D, Goedert M, Weisgraber K, Huang D, Strittmatter W. Journal of Cell Biochem. 1995. Supp 21B:86.

Apolipoprotein E4 gene dose affects the risk of Alzheimer- disease in late-onset families.   Corder EH, Saunders AM, Strittmatter WJ, Schmechel D, Gaskell P, Small GW, Roses AD, Haines JL, Pericak-Vance MA. American Journal of Human Genetics. 1993. 53(3):203-203.

Apolipoprotein-E and Alzheimer-disease.   Roses AD, Saunders AM, Corder EH, Risch NJ, Haines JL, Pericak-Vance MA, Han SH, Einstein G, Hulette C, Schmechel DE, Goedert M, Jakes R, Dong LM, Weisgraber KH, Holsti M, Huang D, Strittmatter WJ. Neurobiol Aging. 1994. 15(Supp 1):S150-S150.

Apolipoprotein-E survival in Alzheimers-disease patients, and the competing risks of death and Alzheimers-disease.   Corder EH, Saunders AM, Strittmatter WJ, Schmechel DE, Gaskell PC, Rimmler JB, Locke PA, Conneally PM, Schmader KE, Tanzi RE, Gusella JF, Small GW, Roses AD, Pericak-Vance MA, Haines JL. Neurology. 1995. 45(7):1323-1328. Abstract.

Apolipoprotein-E type 4 allele and cerebral glucose metabolism in relatives at risk for familial Alzheimer disease.   Small GW, Mazziotta JC, Collins MT, Baxter LR, Phelps ME, Mandelkern MA, Kaplan A, Larue A, Adamson CF, Chang L, Guze BH, Corder EH, Saunders AM, Haines JL, Pericak-Vance MA, Roses AD. Journal of the American Medical Association. 1995. 273(12):942-947. Abstract.

Apolipoprotein-E type-2 allele decreases the risk of late-onset Alzheimer-disease.   Corder EH, Saunders AM, Risch NJ, Strittmatter WJ, Schmechel DE, Gaskell PC, Rimmler JB, Locke PA, Conneally PM, Schmader KE, Small GW, Roses AD, Haines JL, Pericak-Vance MA. Neurobiol Aging. 1994. 15(Supp 1):S72-S73.

Apolipoprotein-E type-4 allele lowers cerebral parietal metabolism in relatives at risk for familial Alzheimer-disease.   Small GW, Collins MT, Mazziotta JC, Baxter LR, Phelps ME, Mandelkern MA, Kaplan A, Adamson CF, Chang L, Guze BH, Corder EH, Saunders AM, Conneally PM, Haines JL, Pericak-Vance MA, Roses AD. Neurobiol Aging. 1994. 15(Supp 1):S155-S155.

Aspirin and excipient induced bronchospasm - Quantitation of agonist threshold doses.   Corder EH, Buckley CE. Journal of Allergy Clin Immunol. 1992. 89(1):347-347.

Aspirin salicylate, sulfite and tartrazine induced bronchoconstriction - Safe doses and case-definition in epidemiologic studies.   Corder EH, Buckley CE. Journal of Clinical Epidemiology. 1995. 48(10):1269-1275. Abstract.

Cancer Mortality, Aging, and Patterns of Comorbidity in the United States: 1968 to 1986.  Manton KG, Wrigley JM, Cohen HJ, Woodbury MA. Journal of Gerontology: Social Sciences. 1991. 46(4):5225-5234.

Changes In Morbidity And Chronic Disability In The US Elderly Population: Evidence From The 1982, 1984, And 1989 National Long Term Care Surveys.   Manton KG, Stallard E, Corder LS. Journal of Gerontology: Ser B-Psychol Sci Soc Sci. 1995. 50(4):S194-204. Abstract.

Changes in the Prevalence of Diseases in Older Americans: 1984 - 1994.  Crimmins EM, Saito Y. Demographic Research. 2000. 3(9). Full Text (HTML). Reprint (PDF).

Characterizing latent structure: factor analytic and grade of membership models.   Marini MM, Li XL, Fan PL. Sociological Methodology. 1996. 26:133-164.

Chronic disease models.   Manton KG. The Encyclopedia of Biostatistics. 1997. Armitage P, Colton T, Eds.). Wiley:New York.

Chronic morbidity and disability in the US elderly population: Recent trends and population implications.   Manton KG. Handbook of Pain and Aging. 1997. Mostofsky DI, Lomranz J, Eds., Plenum:New York, pp. 37-67.

Classification of depression by grade of membership - A confirmation study.   Davidson JRT, Woodbury MA, Zisook S, Giller EL. Psychol Med. 1989. 19(4):987-998.

Clinical application of Apolipoprotein-E genotyping to Alzheimers disease.   Roses AD, Strittmatter WJ, Pericak-Vance MA, Corder EH, Saunders AM, Schmechel DE. Lancet. 1994. 343(8912):1564-1565.

Coding of occupation for the "young cohort" of the Danish twin register - A resource for future epidemiologic research.   Hartvigsen J, Lings S, Corder EH. Scand J Public Health. 1999. 27(2):148-151. Abstract.

Cost and Outcomes of Stroke and Hip Fracture: Rising Costs but Better Outcomes?   Sloan FA, Taylor DH Jr, Picone GA. American Journal of Public Health. 1999. 89(6): 935-937. Abstract.

Decreasing morbidity will affect LTC insurance.   Stallard E. LTC News and Comment: News and Views on the Financing of Long-Term Care. 1999. 9:1-3, July.

Dementia-praecox and manic-depressive insanity in 1908 - A grade of membership analysis of the kraepelinian dichotomy.   Jablensky A, Woodbury MA. Eur Arch Psych Clin Neurosci. 1995. 245(4-5):202-209. Abstract

Demographics (1950-1987) of breast cancer in birth cohorts of older women.  Manton KG, Stallard E. Journal of Gerontology. 1992. 47(Spec No):32-42. Abstract.

Density profiles of Alzheimer disease regional brain pathology for the Huddinge brain bank: pattern recognition emulates and expands upon Braak staging.   Corder EH, Woodbury MA, Volkmann I, Madsen DK, Bogdanovic N, Winblad B. Experimental Gerontology. 2000. 35(6-7):851-864. Abstract.

Depression and dementia in relation to Apolipoprotein E polymorphism in a population sample age 75+.   Forsell Y, Corder EH, Basun H, Lannfelt L, Viitanen M, Winblad B. Biol Psychiatry. 1997. 42(10):898-903. Abstract.

Effects Of The Medicare Alzheimer's Disease Demonstration On Nursing Home Entry.   Miller Robert, Newcomer Robert, Fox Patrick. Health Services Research. 1999. August v34 i3 p691(1).

Epidemiology.   Manton KG. Encyclopedia of Gerontology. 1996. (Birren JE, Ed.). Academic Press:San Diego.

Gene dose of Apolipoprotein-E type-4 allele and the risk of Alzheimers disease in late-onset families.   Corder EH, Saunders AM, Strittmatter WJ, Schmechel DE, Gaskell PC, Small GW, Roses AD, Haines JL, Pericak-Vance MA. Science. 1993. 261(5123):921-923. Abstract.

Genetic analysis of additional families with North Carolina Macular Dystrophy (MCDR1).   Small KW, Sanchez AR, Kelley KC, Gallardo G, Garcia C, Weber J, Corder EH, Pericak-Vance M. American Journal of Human Genetics. 1993. 53(3, Supp):1079.

Genetic and environmental factors in the etiology of chronic diseases: Multivariate frailty models and estimation strategies.   Yashin AI, Manton KG, Iachine IH. Journal of Epidemiology and Biostatistics. 1996. 1(2):115-120.

Genetic epidemiologic studies on age-specified traits.   Hadley EC, Rossi WK, Albert S, Bailey-Wilson J, Baron J, Cawthon R, Christian JC, Corder EH, Franceschi C, Kestenbaum B, Kruglyak L, Lauderdale DS, Lubitz J, Martin GM, McClearn GE, McGue M, Miles T, Mineau G, Ouellett G, Pedersen NL, Preston SH, Page WF. American Journal of Epidemiology. 2000. 152(11):1003-1008. Abstract. Full Text.

Genetic heterogeneity in Alzheimers disease - A Grade of Membership analysis.   Corder EH, Woodbury MA. Genet Epidemiol. 1993. 10(6):495-499. Abstract.

Genomic screen to identify additional Alzheimer-disease effects in late-onset disease.   Pericak-Vance MA, Corder EH, Robinson LC, Termissian M, Small GW, Saunders A, Locke P, Tanzi TR, Conneally PM, Gusella JF, Roses AD, Haines JL. Neurobiol Aging. 1994. 15(Supp 1):S134.

Grade of membership analysis of depression-related psychiatric disorders.   Woodbury MA, Manton KG. Sociol Methods Res. 1989. 18(1):126-163.

Health loss due to unobserved morbidity: a design based approach to minimize nonsampling error in active life expectation estimates.  Corder LS, Woodbury MA, Manton KG. John Libbey Eurotext and Les Editions. 1993. INSERM, France.

HIV-infected subjects with the E4 allele for APOE have excess dementia and peripheral neuropathy.   Corder EH, Robertson K, Lannfelt L, Bogdanovic N, Eggertsen G, Wilkins J, Hall C. Nat Med. 1998. 4(10):1182-1184. Abstract.

How much do persons with Alzheimer's disease cost Medicare?   Taylor DH, Sloan FA. Journal of the American Geriatrics Society. 2000. 48(6):639-646. Abstract.

Hypothesis - Microtubule instability and paired helical filament formation in the Alzheimer disease brain are related to Apolipoprotein-E genotype.   Strittmatter WJ, Weisgraber KH, Goedert M, Saunders AM, Huang D, Corder EH, Dong LM, Jakes R, Alberts MJ, Gilbert JR, Han SH, Hulette C, Einstein G, Schmechel DE, Pericak-Vance MA, Roses AD. Experimental Neurology. 1994. 125(2):163-171. Abstract.

Incidence of dementia in relation to stroke and the Apolipoprotein E epsilon 4 allele in the very old - Findings from a population-based longitudinal study.   Zhu L, Fratiglioni L, Guo ZC, Basun H, Corder EH, Winblad B, Viitanen M. Stroke. 2000. 31(1):53-60. Abstract. Full Text.

Influence of the susceptibility genes Apolipoprotein E-epsilon-4 and Apolipoprotein E-epsilon-2 on the rate of disease expressivity of late-onset Alzheimers disease.   Roses AD, Saunders AM, Corder EH, Pericak-Vance MA, Han SH, Einstein G, Hulette C, Schmechel DE, Holsti M, Huang D, Risch NJ, Haines JL, Goedert M, Jakes R, Dong LM, Weisgraber KH, Strittmatter WJ. Arzneimittelforschung. 1995. 45-1(3A):413-417. Abstract

Is sitting-while-at-work associated with low back pain? A systematic, critical literature review.   Hartvigsen J, Leboeuf-Yde C, Lings S, Corder EH. Scand J Public Health. 2000. 28(3):230-239. Abstract.

Life table techniques for multiple cause mortality.   Manton KG, Tolley HD, Poss SS. Demography. 1976. 13(4):541-564.

Longitudinal changes in chronic disease risk factor groups.   Woodbury MA, Manton KG. Modelling Noncommunicable Diseases. 1996. Morganstern W, Ed. Springer-Verlag:Heidelberg.

Mathematical typology - Grade of membership technique for obtaining disease definition.   Woodbury MA, Clive J, Garson A. Comput Biomed Res. 1978. 11(3):277-298.

Maximum likelihood estimation of a stochastic compartment model of cancer latency: Mortality among white females.   Manton KG, Stallard E. Comput Biomed Res. 1979. 12:313-325.

Membrane-transport of TC-99M-labeled radiopharmaceuticals 1: Brain uptake by passive transport.   Loberg MD, Corder EH, Fields AT, Callery PS. Journal of Nucl Med. 1979. 20(11):1181-1188. Abstract.

Methods for Combining Ancillary Data in Stochastic Compartment Models of Cancer Mortality: Generalization of Heterogeneity Models.  Manton KG, Lowrimore Gene, Yashin Anatoli. Mathmetical Population Studies. 1993. 4(2)133-147.

Methods for the analysis of mortality risks across heterogeneous small populations: Examination of space-time gradients in cancer mortality in North Carolina counties 1970-75.   Manton KG, Stallard E. Demography. 1981. 18(2):217-230.

Models for forecasting chronic disease processes in adult and elderly populations: Effects of stochasticity.   Manton KG, Dowd E. Journal of Epidemiology and Biostatistics. 1999. 4(1):11-18. Abstract.

Morbidity, Disability, and Long-Term Care of the Elderly: Implications for Insurance Financing.   Liu K, Manton KG, Liu BM. Milbank Quarterly. 1990. 68: 445-492. Abstract.

Mortality and Morbidity.  Manton KG. Handbook of Aging and the Social Sciences, Third Edition. 1990. Robert H.Binstock and Linda K.George ed., Academic Press, San Diego, Ca.

Multiple Cause Models of Disease Dependency.  Tolley HD, Manton KG. Scandinavian Actuarial Journal. 1983. pp. 211-226.

Multivariate procedures to describe clinical staging of melanoma.   Manton KG, Woodbury MA, Wrigley JM, Cohen HJ. Methods Inf Med. 1991. 30(2):111-116. Abstract.

National Trends in Stroke-Related Mortality: A Comparison of Multiple Cause Mortality Data with Survey and Other Health Data.  Baum HM, Manton KG. The Gerontological Society of America. 1987. 27(3)293-300.

No difference in cerebral glucose metabolism in patients with Alzheimer disease and differing Apolipoprotein E genotypes.   Corder EH, Jelic V, Basun H, Lannfelt L, Valind S, Winblad B, Nordberg A. Archives of Neurology. 1997. 54(3):273-277. Abstract.

No increased risk of the Apolipoprotein E epsilon 2 allele with early-onset Alzheimer's disease.   Corder EH, Roses AD. Ann Neurol. 1996. 39(3):414-415.

Participants in the Program of All-Inclusive Care for the Elderly [PACE] Demonstration: Developing Disease-Impairment-Disability Profiles.   Wieland D, Lamb VL, Wang H, Sutton S, Eleazer GP, Egbert J. Gerontologist. 1999. 40(2):218-227.

Practice styles in the management of acute low-back-pain - A grade of membership analysis.   Maetzel A, Hogg-Johnson SA, Woodbury MA, Bombardier C. Arthritis Rheum. 1995. 38(9):1389-1389.

Predicting 10-year care requirements for older people with suspected Alzheimer's disease.   Kinosian BP, Stallard E, Lee JH, Woodbury MA, Zbrozek AS, Glick HA. Journal of the American Geriatrics Society. 2000. 48(6):631-638. Abstract.

Prescription and nonprescription drug-use among black-and-white community-residing elderly.   Fillenbaum GG, Hanlon JT, Corder EH, Ziqubupage T, Wall WE, Brock D. American Journal of Public Health. 1993. 83(11):1577-1582. Abstract.

Prostate cancer in Rochester Minnesota (USA), from 1935 to 1989 - Increases in incidence related to more complete ascertainment.   Corder EH, Chute CG, Guess HA, Beard CM, Ofallon WM, Lieber MM. Cancer Causes Control. 1994. 5(3):207-214. Abstract.

Protective effect of Apolipoprotein-E type-2 allele for late-onset Alzheimer disease.   Corder EH, Saunders AM, Risch NJ, Strittmatter WJ, Schmechel DE, Gaskell PC, Rimmler JB, Locke PA, Conneally PM, Schmader KE, Small GW, Roses AD, Haines JL, Pericak-Vance MA. Nature Genet. 1994. 7(2):180-184. Abstract

Psychotic symptoms and Apolipoprotein E genotypes in an elderly population.   Forsell Y, Basun H, Corder EH, Lannfelt L, Winblad B. Biol Psychiatry. 1998. 44(2):139-140. Abstract.

Risk of subarachnoid haemorrhage in first degree relatives of patients with subarachnoid haemorrhage: Follow up study based on national registries in Denmark.   Gaist D, Vaeth M, Tsiropoulos I, Christensen K, Corder EH, Olsen J, Sorensen HT. Br Med J. 2000. 320(7228):141-4. Abstract. Full Text.

Seasonal-variation in vitamin D vitamin D-binding protein, and dehydroepiandrosterone - Risk of prostate-cancer in black-and- white men.   Corder EH, Friedman GD, Vogelman JH, Orentreich N. Cancer Epidemiol Biomarkers Prev. 1995. 4(6):655-659. Abstract

Seven snapshots of Alzheimer's disease regional brain pathology representing pre-clinical stages: a Grade of Membership analysis of Huddinage brain bank data.   Corder EH, Bogdanovic N, Woodbury MA, Winblad, B. Neurobiology of Aging. 2000. 21:S120.

Sex Differences In Functional Impairment In The US Elderly Population: The Interaction Of Specific Diseases, Functional Impairments, And Mortality.  Manton KG. Population Association of America. 1988. New Orleans, April.

Strategies for collating diverse scientific evidence in the analysis of population health characteristics: Bioactuarial models of chronic disease mortality for the elderly.   Manton KG, Liu K. Sociological Methods and Research. 1985. 13(3):407-31.

Symptom profiles of psychiatric disorders based on graded disease classes - An illustration using data from the WHO international pilot study of schizophrenia.   Manton KG, Korten A, Woodbury MA, Anker M, Jablensky A. Psychol Med. 1994. 24(1):133-144. Abstract.

Tai Chi For The Prevention Of Fractures In A Nursing Home Population: An Economic Analysis.   Wilson Craig J, and Datta Santanu. Journal of Clinical Outcome Management. 1994. 8(3):19-27. Abstract.

The Apolipoprotein-E e4 allele and sex-specific risk of Alzheimer's disease.   Corder EH, Saunders AM, Strittmatter WJ, Schmechel DE, Gaskell PC, Roses AD, Pericak-Vance MA, Small GW, Haines JL. Journal of the American Medical Association-J Am Med Assoc. 1995. 273(5):373-374.

The Contribution of Hypertension to Mortality in the US: 1968, 1977.  Wing Steve, Manton KG. American Journal of Public Health. 1983. 73(2):140-144.

The effect of sulfur dioxide and suspended sulfates on acute respiratory disease.  French JG, Lowrimore GR, Nelson WC, Finklea JF, English T, Hertz M. Archives of Environmental Health. 1973. 27:129-133.

The relative effect of Alzheimer's disease and related dementias, disability, and comorbidities on cost of care for elderly persons.   Taylor DH, Schenkman M, Zhou J, Sloan FA. Journal of Gerontology: Ser B-Psychol Sci Soc Sci. 2001. 56(5):S285-S293. Abstract

The role of APOE polymorphisms in late-onset dementias.   Corder EH, Lannfelt L, Bogdanovic N, Fratiglioni L, Mori H. Cell Mol Life Sci. 1998. 54(9):928-934. Abstract.

The use of grade of membership analysis to evaluate and modify diagnosis-related groups.   Manton KG, Vertrees JC. Medical Care. 1984. 22(12):1067-1082.

There is a pathological relationship between APOE-epsilon(4) and Alzheimers-disease.   Corder EH, Saunders AM, Pericak-Vance MA, Roses AD. Archives of Neurology. 1995. 52(7):650-650.

Typologies of anxiety, depression and somatization symptoms among primary care attenders with no formal mental disorder.   Piccinelli M, Rucci P, Ustun B, Simon G. Psychol Med. 1999. 29(3):677-688. Abstract

Typology of Alzheimer's disease: findings from cerad data.   Fillenbaum GG, Woodbury MA. Aging Ment Health. 1998. 2(2):105-127.

Use of grade membership analysis to profile the practice styles of individual physicians in the management of acute low back pain.   Maetzel A, Johnson SH, Woodbury MA, Bombardier C. Journal of Clinical Epidemiology. 2000. 53(2):195-205.

Vitamin-D and prostate cancer - A prediagnostic study with stored sera.   Corder EH, Guess HA, Hulka BS, Friedman GD, Sadler M, Vollmer RT, Lobaugh B, Drezner MK, Vogelman JH, Orentreich N. Cancer Epidemiol Biomarkers Prev. 1993. 2(5):467-472. Abstract.

Weighted pairwise correlation and transmission disequilibrium in a common oligogenic disease.   Corder EH. Genet Epidemiol. 1995. 12(6):747-751. Abstract.