Dihydrocodeine for breathlessness in "pink puffers".
D003061:Codeine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D004417:Dyspnea / Q000188:drug therapy*; D006801:Humans; D012119:Respiration / Q000187:drug effects
C014481:dihydrocodeine; D003061:Codeine