TY - BOOK T1 - Trends in epidemiology: application to health service research and training LA - English PP - Springfield, IL PB - C. C. Thomas YR - 1972 UL - https://tuklas.up.edu.ph/Record/UP-1685523046125238660 OP - 603 NO - Includes bibliographical references. CN - RA651 T74 SN - 0398024227 KW - Epidemiology. ER -