Morris, J. N. Uses of epidemiology / J. N. Morris. - 3d ed. - Edinburgh ; New York : Churchill Livingstone : distributed in the U.S.A. by Longman, 1975. - 318 p. : ill. ; 22 cm. Includes index. Bibliography: p. 284-310. ISBN: 0443011060 : £6.00 LCCN: 75013512 Subjects--Topical Terms: Epidemiology.Epidemiology. LC Class. No.: RA651 / .M63 1975 Dewey Class. No.: 614.4 National Library of Medicine Call No.: WA100 M876u