@article{Santow1987,
author = {Santow, G.},
title= {Reassessing the contraceptive effect of breastfeeding},
year = {1987},
doi = {10.1080/0032472031000142576},
URL = {https://doi.org/doi:10.1080/0032472031000142576},
volume = {41},
number = {1},
pages = {147‒160},
}