TY - JOUR A1 - Geubbels, E. A1 - Amri, S. A1 - Levira, F. A1 - Schellenberg, J. A1 - Masanja, H. A1 - Nathan, R. T1 - Health and demographic surveillance system profile: The Ifakara Rural and Urban Health and Demographic Surveillance System (Ifakara HDSS Y1 - 2015 DO - 10.1093/ije/dyv068 VL - 44 IS - 3 ER -