Medical research in the Federal services.
D000337:Aerospace Medicine; D006801:Humans; D008885:Military Dentistry; D008887:Military Medicine; D009316:National Institutes of Health (U.S.); D009326:Naval Medicine; D009787:Occupational Medicine; D011315:Preventive Medicine; D011830:Radiation Effects; D012106:Research; D013026:Space Flight; D019966:Substance-Related Disorders; D014481:United States; D014493:United States Department of Veterans Affairs; D014492:United States Public Health Service; D014482:United States Substance Abuse and Mental Health Services Administration