TY  - JOUR
A1  - Alkema, L.
A1  - Kantorová, V.
A1  - Menozzi, C.
A1  - Biddlecom, A.
T1  - National, regional, and global rates and trends in contraceptive prevalence and unmet need for family planning between 1990 and 2015: A systematic and comprehensive analysis
Y1  - 2013
DO  - 10.1016/S0140-6736(12)62204-1
VL  - 381
IS  - 9878

ER  -