Ślizień-Kuczapska, Ewa, i in. „For the sake of procreation health development. Medical and non-medical counseling in breastfeeding promotion as well as fertility return after labor”. Kwartalnik Naukowy Fides et Ratio, t. 34, nr 2, czerwiec 2018, s. 50-73, https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/513.