Advertising and clinical investigation.
Ciaglia
P
P
Levy
H
H
Ryan
T F
TF
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
D005100:Expectorants; C015372:iodinated glycerol; D005990:Glycerol