title: Response: Opioid therapy for dyspnea: what we don't know exceeds what we do know.
authors: James
authors: J
authors: Hallenbeck
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D004417:Dyspnea / Q000188:drug therapy* / Q000503:physiopathology*; D006801:Humans; D012119:Respiration / Q000187:drug effects*
chemical_list: D000701:Analgesics, Opioid