TY - CHAP M1 - Book, Section TI - A1 - Greenberg, Raymond S. PY - 2014 T2 - Medical Epidemiology: Population Health and Effective Health Care, 5e AB - SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/11/03 UR - accessmedicine.mhmedical.com/content.aspx?aid=1108589412 ER -