Friedman, Gary D., 1934- Primer of epidemiology / Gary D. Friedman. - 2d ed. - New York : McGraw-Hill, c1980. - xii, 288 p. : ill. ; 21 cm. Includes bibliographies and index. ISBN: 007022434X LCCN: 79015310 Subjects--Topical Terms: Epidemiology. LC Class. No.: RA651 / .F68 1980 Dewey Class. No.: 614.4