TY - BOOK AU - Katz,David L. TI - Jekel's epidemiology, biostatistics, preventive medicine, and public health SN - 9781455706587 / AV - RA561 J47 2014 PY - 2014/// CY - Philadelphia PB - Saunders/Elsevier KW - Epidemiology KW - Medical statistics KW - Medicine, Preventive KW - Public health KW - Epidemiologic Methods ER -