TY  - JOUR
A1  - Ali, M.
A1  - Cleland, J.
T1  - Contraceptive switching after method-related discontinuation: Levels and differentials
Y1  - 2010
DO  - 10.1111/j.1728-4465.2010.00234.x
VL  - 41
IS  - 2

ER  -