TY - JOUR A1 - Bellizzi, S. A1 - Sobel, H.L. A1 - Obara, H. A1 - Temmerman, M. T1 - Underuse of modern methods of contraception: Underlying causes and consequent undesired pregnancies in 35 low- and middle-income countries Y1 - 2015 DO - 10.1093/humrep/deu348 VL - 30 IS - 4 ER -