Efficacy Study of Dextromethorphan to Treat Rheumatoid Arthritis
A Double-blind, Placebo-controlled, Therapeutic Trial With Antitussive Drug-Dextromethorphan: Aimed to Determine Its Therapeutic Effect in Patients With Rheumatoid Arthritis A Double-blind, Placebo-controlled, Therapeutic Trial With Antitussive Drug-Dextromethorphan: Aimed ...