Use of placebo in studies of postoperative vomiting is unethical.
Adams
A K
AK
D030881:Disclosure; D035081:Editorial Policies; D004992:Ethics, Medical; D006801:Humans; D010919:Placebos; D011183:Postoperative Complications / Q000517:prevention & control*; D014839:Vomiting / Q000517:prevention & control*
D010919:Placebos