title: [Critical assessment of the new resources for normal delivery in obstetric practice. 1957].
authors: Juan
authors: J
authors: Alanis Ochoa
authors: Héctor
authors: H
authors: Salinas Benavides
mesh_terms: D036861:Delivery, Obstetric / Q000266:history*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy