Ruiz-Romero, M VGuerra-Martín, M DÁlvarez-Tellado, LSánchez-Villar, EArroyo-Rodríguez, ASánchez-Gutiérrez, M C2023-05-032023-05-032022-08-30http://hdl.handle.net/10668/21789esAnalgesics, OpioidChronic DiseaseChronic PainHumans[Non-drug treatments for chronic non-malignant pain].research article36040235open access10.23938/ASSN.10112340-3527https://doi.org/10.23938/assn.1011