[Analgesic power of dihydrocodeine as compared with codeine].
D000700:Analgesics; D003061:Codeine / Q000031:analogs & derivatives
D000700:Analgesics; C014481:dihydrocodeine; D003061:Codeine
CODEINE/related compounds
Potencia analgésica de la dihidrocodeína en comparación con la codeína.