title: National primary care shortage calls attention to alarming training trends.
authors.forename: J D
authors.initials: JD
authors.lastname: Polk
mesh_terms: D004502:Education, Medical, Continuing; D006801:Humans; D058007:Physicians, Primary Care / Q000193:education / Q000600:supply & distribution* / Q000639:trends; D011320:Primary Health Care / Q000592:standards / Q000639:trends; D012423:Rural Health; D014481:United States; D000078329:Workforce