title: Recent legislative trends toward protection of human subjects: implications for gerontologists.
mesh_terms: D000368:Aged; D028744:Ethics Committees, Research; D035082:Federal Government; D005853:Geriatrics; D033161:Government Regulation; D006805:Human Experimentation; D006801:Humans; D007878:Legislation as Topic; D018570:Risk Assessment; D012922:Social Change; D014481:United States