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[[File:NIH congressional appropriations per year. In thousands of dollars. Cumulative.png|thumb|center|600px|National Institutes of Health (NIH) total congressional appropriations per year. Cumulative, in thousands of dollars. The National Cancer Institute (NCI) and the National Institute of Allergy and Infectious Diseases (NIAID) both stand out for their larger proportions, with the National Heart, Lung, and Blood Institute (NHLBI) in third place.<ref name="NIH congressional appropriations">{{cite web|title=NIH congressional appropriations|url=https://officeofbudget.od.nih.gov/approp_hist.html|website=nih.gov|accessdate=27 March 2017}}</ref>]]