Research ethics questioned in Qigong study.
Ernst
Edzard
E
D001945:Breathing Exercises; D002681:China; D003695:Delivery of Health Care / Q000592:standards; D004992:Ethics, Medical; D006556:Heroin Dependence / Q000188:drug therapy / Q000628:therapy*; D006801:Humans; D007258:Informed Consent; D016032:Randomized Controlled Trials as Topic; D012107:Research Design / Q000592:standards*