Presentation of Federico Hernández Morales, MD, MACP. 1994 laureate of the Puerto Rico Chapter American College of Physicians.
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D005762:Gastroenterology / Q000266:history; D049673:History, 20th Century; D011647:Puerto Rico; D012955:Societies, Medical; D014330:Tropical Medicine / Q000266:history; D014481:United States