TY - JOUR A1 - Stephenson R. A1 - A., Baschieri A1 - Clements, S. A1 - Hennink, M. A1 - Madise, N. T1 - Contextual influences on modern contraceptive use in sub-Saharan Africa Y1 - 2007 DO - 10.2105/AJPH.2005.071522 JF - American Journal of Public Health VL - 97 IS - 7 SP - 1233 EP - -1240 ER -