World Health Organization2012-06-162012-06-1620022002-12-31https://iris.who.int/handle/10665/6243535 p.enDrug TherapyPregnancyFetusBreast FeedingDrugs, EssentialPharmaceuticals and BiologicalsBreastfeeding and maternal medication : recommendations for drugs in the Eleventh WHO Model List of Essential Drugsin pregnancydrug effects