TY  - JOUR
A1  - Lewis, P.
A1  - Brown, J.
A1  - Renfree, M.
A1  - Short, R.
T1  - The resumption of ovulation and menstruation in a well-nourished population of women breastfeeding for an extended period of time
Y1  - 1991
DO  - 10.1016/S0015-0282(16)54180-6
VL  - 55
IS  - 3

ER  -