Status and trends of the NIH extramural research support program.
D000818:Animals; D000830:Animals, Laboratory; D002309:Cardiology; D005380:Financing, Government; D009316:National Institutes of Health (U.S.); D009369:Neoplasms; D012106:Research; D012109:Research Support as Topic; D014481:United States; D014773:Virology