TY - BOOK AU - AU - Cassens, Brett J. ED - ED - ED - ED - SN - 068306262X SN - 2 PY - 1992///];copyright 1992.46 CY - Baltimore :;Malvern, Pa. PB - Williams & Wilkins ;;Harwal Pub. Co. KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Outlines, syllabi, etc.;Outlines, syllabi, etc.;Examinations, questions, etc.;Examinations, questions, etc.;examination questions.;outlines.;examination questions.;outlines KW - Medicine, Preventive;Public health;Medicine, Preventive;Public health;Preventive Medicine;Preventive Medicine;Public Health;Public Health N1 - Includes bibliographical references and index; 5 ER -