50th anniversary of community internal medicine at Mayo.
Nelson
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D003153:Community Health Services / Q000266:history* / Q000458:organization & administration; D049673:History, 20th Century; D006748:Hospital Departments / Q000266:history; D006770:Hospitals, Group Practice / Q000266:history*; D006801:Humans; D007388:Internal Medicine / Q000266:history*; D008910:Minnesota