NIH "confused" about ethics rules.
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D016915:AIDS Vaccines; D000163:Acquired Immunodeficiency Syndrome; D000818:Animals; D035843:Biomedical Research; D004992:Ethics, Medical; D035082:Federal Government; D033161:Government Regulation; D006801:Humans; D038622:Internationality; D009316:National Institutes of Health (U.S.); D012106:Research; D014481:United States
D016915:AIDS Vaccines