The milk-blood equation's historical impact on childcare.
Dervin
Dan
D
D001769:Blood; D001942:Breast Feeding; D002648:Child; D002654:Child Care / Q000266:history*; D005053:Eugenics / Q000266:history; D007722:Health Knowledge, Attitudes, Practice; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007223:Infant; D007237:Infanticide / Q000266:history; D008895:Milk, Human; D013244:Sterilization, Involuntary / Q000266:history