TY - BOOK AU - Rothman, Kenneth J. AU - Greenland, Sander TI - Modern epidemiology SN - 9781451190052 U1 - 614.4 PY - 2008/// CY - Philadelphia PB - Lippincott Williams And Wilkins KW - Epidemiology--Statistical methods KW - Epidemiology--Research--Methodology KW - Epidemiology N1 - Includes Free Online Access To Fully Searchable Text ER -