Elwood, J. Mark
Critical appraisal of epidemiological studies and clinical trials - 2nd ed. - Oxford Oxford University Press 1998 - x,448 p. 24 cm.
0192627449(pbk)
EPIDEMIOLOGY
Epidemiological Studies
Clinical Trials
Research methods
614.4028 / ELW
Critical appraisal of epidemiological studies and clinical trials - 2nd ed. - Oxford Oxford University Press 1998 - x,448 p. 24 cm.
0192627449(pbk)
EPIDEMIOLOGY
Epidemiological Studies
Clinical Trials
Research methods
614.4028 / ELW