title: 25, 50 & 75 years ago.
authors: John P
authors: JP
authors: Harris
mesh_terms: D016913:Blood Component Transfusion / Q000266:history*; D004931:Esophageal Achalasia / Q000266:history*; D050723:Fractures, Bone / Q000266:history*; D006073:Gout / Q000266:history*; D006324:Heart Arrest, Induced / Q000266:history*; D049673:History, 20th Century; D006801:Humans