Barker, D. J. P. Epidemiology in medical practice / D. J. P. Barker, G. Rose. - 2d ed. - Edinburgh ; New York : Churchill Livingston, 1979. - viii, 151 p. : ill. ; 21 cm. - Churchill Livingstone medical text . Includes index. Bibliography: p. 148. ISBN: 0443018510 : £3.75 LCCN: 78041278 Nat. Bib. No.: GB79 Subjects--Topical Terms: Epidemiology.Medicine, Preventive. LC Class. No.: RA651 / .B36 1979 Dewey Class. No.: 614.4