title: A study of the causes of medical attendance aboard British Merchant ships.
mesh_terms: D000059:Accidents; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006801:Humans; D009326:Naval Medicine; D012871:Skin Diseases / Q000453:epidemiology*; D006113:United Kingdom; D014947:Wounds and Injuries / Q000453:epidemiology*