TY - BOOK AU - HULLEY,STEPHEN B. ED - Wolfson Institute of Preventive Medicine. ED - Royal Society of Medicine (Great Britain) TI - DESIGNING CLINICAL RESEARCH AN EPIDEMIOLOGIC APPROACH SN - 9781853155840 (pbk.) AV - R853.C55 .D47 2001 PY - 2001/// CY - London, Lewisville, TX PB - Wolfson Institute of Preventive Medicine, Royal Society of Medicine, Distribution in the USA, Jamco Distribution KW - Epidemiology N1 - Includes bibliographical references (p. [82]-93) and index ER -