HHS revises rules on animal research.
D035661:Animal Care Committees; D032761:Animal Experimentation; D000826:Animal Testing Alternatives; D000818:Animals; D000830:Animals, Laboratory; D035841:Behavioral Research; D035843:Biomedical Research; D035082:Federal Government; D033161:Government Regulation; D012106:Research; D014481:United States; D014492:United States Public Health Service