title: Letter: Barton's forceps.
mesh_terms: D005113:Extraction, Obstetrical; D005260:Female; D006257:Head; D006801:Humans; D007746:Labor Presentation; D007744:Obstetric Labor Complications / Q000628:therapy*; D009772:Obstetrical Forceps; D011247:Pregnancy; D012399:Rotation