title: Advertising and clinical investigation.
authors.forename: P
authors.initials: P
authors.lastname: Ciaglia
authors.forename: H
authors.initials: H
authors.lastname: Levy
authors.forename: T F
authors.initials: TF
authors.lastname: Ryan
mesh_terms: D000329:Advertising; D001991:Bronchitis / Q000188:drug therapy; D004345:Drug Industry; D005100:Expectorants / Q000627:therapeutic use; D005990:Glycerol / Q000031:analogs & derivatives / Q000627:therapeutic use; D006801:Humans; D015337:Multicenter Studies as Topic; D010380:Peer Review / Q000592:standards*; D011643:Publishing / Q000592:standards*; D016032:Randomized Controlled Trials as Topic
chemical_list: D005100:Expectorants; C015372:iodinated glycerol; D005990:Glycerol