Postmarketing surveillance study of a non-chlorofluorocarbon inhaler Postmarketing surveillance studies remain unethical.
Patterson
C
C
D004992:Ethics, Medical; D006801:Humans; D013677:Medical Laboratory Science; D009330:Nebulizers and Vaporizers; D011358:Product Surveillance, Postmarketing / Q000592:standards*; D012449:Safety