The efficacy of dihydrocodeine in post-operative dental pain.
D003061:Codeine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D006801:Humans; D009055:Mouth / Q000601:surgery*; D010149:Postoperative Pain / Q000517:prevention & control*
C014481:dihydrocodeine; D003061:Codeine