Medical musical chairs.
McMahon
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D005260:Female; D006302:Health Services Research; D006280:Health Workforce / Q000639:trends*; D006801:Humans; D007484:Iowa; D008297:Male; D008329:Managed Care Programs; D010820:Physicians / Q000706:statistics & numerical data / Q000600:supply & distribution*; D011365:Professional Practice Location