title: Hermann Johannes Pfannenstiel (1862-1909).
mesh_terms: D013502:General Surgery / Q000266:history; D005858:Germany; D006176:Gynecology / Q000266:history / Q000379:methods; D049671:History, 18th Century; D049673:History, 20th Century; D009774:Obstetrics / Q000266:history / Q000379:methods