@article{Khalil1996,
author = {Khalil, K. and Atta, H. and Kamel, F. and Youssef, R.},
title= {Determinants of the duration of lactational amenorrhoea among mothers in Alexandria},
year = {1996},
doi = {10.26719/1996.2.3.396},
volume = {2},
number = {3},
pages = {396--406},
}