TY - JOUR A1 - Brunie, A. A1 - Stankevitz, K. A1 - Nwala, A.A. A1 - Nqumayo, M. A1 - Chen, M. A1 - Danna, K. A1 - Afolabi, K. A1 - Rademacher, K.H. T1 - Expanding long-acting contraceptive options: A prospective cohort study of the hormonal intrauterine device, copper intrauterine device, and implants in Nigeria and Zambia Y1 - 2021 DO - 10.1016/S2214-109X(21)00318-1 VL - 9 IS - 10 ER -