title: Four-part harmony: from hand crank to hash tags.
authors: Department of Surgery, Mayo Medical School, Rochester, MN. Electronic address: cgrant@mayo.edu.
authors: Clive S
authors: CS
authors: Grant
mesh_terms: D003466:Cultural Characteristics / Q000266:history*; D013502:General Surgery / Q000266:history* / Q000639:trends; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007400:Interprofessional Relations; D012945:Social Values / Q000266:history*; D012955:Societies, Medical / Q000266:history* / Q000639:trends; D014481:United States