WA 950 / D457 2001
Designing clinical research : an epidemiologic approach / by Stephen B. Hulley ... [et al.]. -- Philadelphia : Lippincott Williams & Wilkins, c2001.
xv, 336 p. : ill.
0781722187
Epidemiologic Methods
Research Design
Designing clinical research : an epidemiologic approach / by Stephen B. Hulley ... [et al.]. -- Philadelphia : Lippincott Williams & Wilkins, c2001.
xv, 336 p. : ill.
0781722187
Epidemiologic Methods
Research Design