NHLBI information services: a whole new world.
Lenfant
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NHLBI, National Institutes of Health, Bethesda, MD, USA.
D003195:Computer Communication Networks; D004181:Directories as Topic; D004493:Education; D006331:Heart Diseases; D006402:Hematologic Diseases; D006801:Humans; D007255:Information Services; D008171:Lung Diseases; D009316:National Institutes of Health (U.S.); D014481:United States