title: Informed consent.
mesh_terms: D000293:Adolescent; D000328:Adult; D002651:Child Advocacy / Q000331:legislation & jurisprudence; D003299:Cooperative Behavior; D005260:Female; D006801:Humans; D007258:Informed Consent / Q000331:legislation & jurisprudence*; D007884:Legislation, Nursing; D008297:Male; D011247:Pregnancy; D012306:Risk; D013514:Surgical Procedures, Operative; D014481:United States