@article{Eslami1990,
author = {Eslami, S. and Gray, R. and Apelo, R. and Ramos, R.},
title= {The reliability of menses to indicate the return of ovulation in breastfeeding women in Manila, The Philippines},
year = {1990},
doi = {10.2307/1966504},
volume = {21},
number = {5},
}