Preventive medicine and public health / [edited by] Brett J. Cassens. - 2nd ed. - Baltimore : Williams & Wilkins ; Malvern, Pa. : Harwal Pub. Co., c1992. - xv, 497 p. : ill. - National medical series for independent study . Includes bibliographical references and index. ISBN: 9780683062625 Subjects--Topical Terms: Preventive Medicine--Public Health National Library of Medicine Call No.: WA 18 / .P74 1992