TY  - JOUR
A1  - Gray, R.H.
A1  - Campbell, O.M.
A1  - Apelo, R.
A1  - Eslami, S.S.
A1  - Zacur, H.
A1  - Ramos, R.M.
A1  - Labbok, M.H.
T1  - Risk of ovulation during lactation
Y1  - 1990
DO  - 10.1016/0140-6736(90)90147-W
UR  - https://doi.org/doi:10.1016/0140-6736(90)90147-W
VL  - 335
IS  - 8680

ER  -