title: Is the WHO analgesic ladder still valid? Twenty-four years of experience.
authors.affiliation: Hopital Hôtel-Dieu du CHUM, Pain Clinic, 3840, rue St Urbain, pavillon Jeanne-Mance, Montreal, QC H2W 1T8, Canada. grisellvargas@gmail.com
authors.forename: Grisell
authors.initials: G
authors.lastname: Vargas-Schaffer
mesh_terms: D000284:Administration, Oral; D016058:Analgesia, Patient-Controlled; D000700:Analgesics / Q000008:administration & dosage / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D017024:Chemotherapy, Adjuvant; D004334:Drug Administration Schedule; D006801:Humans; D009369:Neoplasms / Q000503:physiopathology* / Q000523:psychology; D009437:Neuralgia / Q000188:drug therapy; D010146:Pain / Q000145:classification / Q000188:drug therapy*; D017410:Practice Guidelines as Topic / Q000592:standards*; D014944:World Health Organization
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D000894:Anti-Inflammatory Agents, Non-Steroidal