title: Where Have the Generalists Gone? They Became Specialists, Then Subspecialists.
authors.affiliation: Dean Emeritus, Professor of Medicine and Public Health Emeritus, University of Arizona College of Medicine, Oro Valley.
authors.forename: James E
authors.initials: JE
authors.lastname: Dalen
authors.affiliation: Emeritus Professor of Pathology and Microbiology, University of Arizona College of Medicine, Tucson.
authors.forename: Kenneth J
authors.initials: KJ
authors.lastname: Ryan
authors.affiliation: Professor of Medicine, University of Arizona College of Medicine, Tucson.
authors.forename: Joseph S
authors.initials: JS
authors.lastname: Alpert
mesh_terms: D058006:General Practice / Q000266:history* / Q000639:trends; D049673:History, 20th Century; D006801:Humans; D011320:Primary Health Care / Q000266:history* / Q000639:trends; D013038:Specialization / Q000266:history* / Q000639:trends; D014481:United States; D000078329:Workforce