Designing clinical research : an epidemiologic approach / [edited by] Stephen B. Hulley, Steven R. Cummings, Warren S. Browner, Thomas B. Newman, Norman Hearst. - Baltimore : Williams & Wilkins, c1988. - xi, 247 p. : ill. Includes bibliographies and index. ISBN: 9780683042498 (pbk.) 0683042491 (pbk.) LCCN: 87-19015 Subjects--Topical Terms: Epidemiologic MethodsResearch Design Dewey Class. No.: WA 950 / D4606 1988