NIH Institute/Center Web Pages
- NCI - National Cancer Institute
- NEI - National Eye Institute
- NHLBI - National Heart, Lung, and Blood Institute
- NHGRI - National Human Genome Research Institute
- NIA - National Institute on Aging
- NIAAA - National Institute on Alcohol Abuse and Alcoholism
- NIAID - National Institute of Allergy and Infectious Diseases
- NIAMS - National Institute of Arthritis and Musculoskeletal and Skin Diseases
- NICHD - National Institute of Child Health and Human Development
- NIDA - National Institute on Drug Abuse
- NIDCD - National Institute on Deafness and Other Communication Disorders
- NIDCR - National Institute of Dental and Craniofacial Research
- NIDDK - National Institute of Diabetes and Digestive and Kidney Diseases
- NIEHS - National Institute of Environmental Health Sciences
- NIMH - National Institute of Mental Health
- NINDS - National Institute of Neurological Disorders and Stroke
- NINR - National Institute of Nursing Research
- NLM/NCBI - National Center for Biotechnology Information / National Library of Medicine