title: John Aitken.
authors.forename: John
authors.initials: J
authors.lastname: Kirkup
mesh_terms: D013502:General Surgery / Q000266:history*; D049671:History, 18th Century; D006801:Humans; D009774:Obstetrics / Q000266:history* / Q000295:instrumentation; D011631:Pubic Symphysis / Q000601:surgery; D012606:Scotland; D013525:Surgical Instruments / Q000266:history*