THE IMPACT OF THE NATIONAL INSTITUTES OF HEALTH UPON GASTROENTEROLOGY IN THE UNITED STATES.
D004501:Education, Medical; D005762:Gastroenterology; D006076:Government; D006801:Humans; D009316:National Institutes of Health (U.S.); D012106:Research; D014481:United States
EDUCATION, MEDICAL; GASTROENTEROLOGY; GOVERNMENT; RESEARCH; UNITED STATES