Critical appraisal of epidemiological studies and clinical trials
Elwood, J. Mark.
Critical appraisal of epidemiological studies and clinical trials - 2nd ed. - Oxford New York 1998 - x, 448p. ill.
0192627449
Epidemiology
Clinical trials.
Clinical trials
Diseases
Epidemiologic Methods.
RA652.4 / E9
Critical appraisal of epidemiological studies and clinical trials - 2nd ed. - Oxford New York 1998 - x, 448p. ill.
0192627449
Epidemiology
Clinical trials.
Clinical trials
Diseases
Epidemiologic Methods.
RA652.4 / E9
