The design of a population-based case-control study of systemic sclerosis (Scleroderma): Commentary on the University of Michigan study

Heeringa, Steven G; Alcser, Kirsten Haakan; Schottenfeld, David; Burns, Carol J; Gillespie, Brenda W; Laing, Timothy J; Mayes, Maureen D. (1995). The design of a population-based case-control study of systemic sclerosis (Scleroderma): Commentary on the University of Michigan study. Journal of Clinical Epidemiology. 48(4), 583-586.