Informed consent for blood transfusions; conducting AIDS tests without consent; donating care to medically indigent.
D015492:AIDS Serodiagnosis; D001803:Blood Transfusion / Q000592:standards; D006801:Humans; D007258:Informed Consent / Q000331:legislation & jurisprudence*; D007884:Legislation, Nursing; D008489:Medical Indigency; D014481:United States