TY - BOOK AU - Barker, D. J. P AU - Rose, G. A TI - Epidemiology in medical practice SN - 0443018510 SN - 78041278 U1 - RA651 .B36 1979 614.4 PY - 1979/// CY - Edinburgh ; New York PB - Churchill Livingston KW - Epidemiology KW - Medicine, Preventive N1 - Includes index. Bibliography: p. 148 ER -