TY - JOUR A1 - Ahmed, S. A1 - Choi, Y.J. T1 - Trends in contraceptive prevalence rates in sub-Saharan Africa since the 2012 London Summit on Family Planning: Results from repeated cross-sectional surveys Y1 - 2019 DO - 10.1016/S2214-109X(19)30200-1 VL - 7 IS - 7 ER -