Over the counter cough medicines for acute cough. The fact that people keep buying the medicines is itself evidence.
Walmsley
James
J
Marshall
Graham
G
D000208:Acute Disease; D000996:Antitussive Agents / Q000627:therapeutic use*; D003371:Cough / Q000188:drug therapy*; D019317:Evidence-Based Medicine; D006801:Humans; D004366:Nonprescription Drugs / Q000627:therapeutic use*; D017410:Practice Guidelines as Topic
D000996:Antitussive Agents; D004366:Nonprescription Drugs