Doubts about research trials.
D001943:Breast Neoplasms / Q000628:therapy*; D002986:Clinical Trials as Topic; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D007258:Informed Consent; D008297:Male; D009369:Neoplasms / Q000628:therapy*; D010817:Physician-Patient Relations