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Statistics in Medicine|November 14, 1997
Using the general linear mixed model to analyse unbalanced repeated measures and longitudinal dataA Cnaan, N M Laird, P Slasor
American Journal of Mental Deficiency|September 1, 1985
Mentally retarded workers' reactions to their jobsZ Shapira, R A Cnaan, A Cnaan
Journal of Health and Human Services Administration|February 2, 1996
Purchasing of services contracting: a symbiosis of voluntary organizations, government, and clientsR A Cnaan
Statistics in Medicine|January 1, 1988
Missing data in longitudinal studiesN M Laird
Risk Analysis : an Official Publication of the Society for Risk Analysis|September 1, 1987
Thyroid cancer risk from exposure to ionizing radiation: a case study in the comparative potency modelN M Laird
Statistics in Medicine|October 1, 1989
Survival analysis in natural history studies of diseaseA Cnaan, L Ryan
Archives of Pathology & Laboratory Medicine|October 1, 1996
Estrogen receptor-negative, progesterone receptor-positive breast carcinoma: poor clinical outcomeA A Keshgegian, A Cnaan
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