TY - BOOK AU - Rothman,Kenneth J AU - Greenland,Sander AU - Lash,Timothy L TI - Modern epidemiology SN - 0781755646 / AV - RA652.2.M3 R67 M6 2008 PY - 2008/// CY - Philadelphia PB - Wolters Kluwer Health/Lippincott Williams & Wilkins KW - Epidemiology KW - Statistical methods KW - Research KW - Methodology KW - Epidemiologic Methods ER -