title: Classic pages in obstetrics and gynecology. Difficult labors and their treatment.
mesh_terms: D005260:Female; D006176:Gynecology / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D007744:Obstetric Labor Complications / Q000266:history; D009774:Obstetrics / Q000266:history*; D011247:Pregnancy