Jekel, James F. Epidemiology, biostatistics, and preventive medicine / James F. Jekel ; in collaboration with Joann G. Elmore and David L. Katz. - Philadelphia : Saunders, c1996. - ix, 297 p. : ill. - Saunders text and review series . Includes bibliographical references and index. ISBN: 0721652581 9780721652580 Subjects--Topical Terms: BiometryEpidemiologic Methods National Library of Medicine Call No.: WA 950 / .J45 1996