title: The Johnston--Kennedy era. A quarter of a century of change.
authors.forename: Roy
authors.initials: R
authors.lastname: Spence
mesh_terms: D013505:Digestive System Surgical Procedures / Q000266:history*; D005767:Gastrointestinal Diseases / Q000266:history* / Q000601:surgery; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009660:Northern Ireland