title: [Analgesia according to the WHO stepwise schema. A risk for back pain patients?].
mesh_terms: D000082:Acetaminophen / Q000008:administration & dosage* / Q000009:adverse effects / Q000145:classification; D000700:Analgesics / Q000008:administration & dosage* / Q000009:adverse effects / Q000145:classification; D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000009:adverse effects / Q000145:classification; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000008:administration & dosage* / Q000009:adverse effects / Q000145:classification; D001416:Back Pain / Q000188:drug therapy* / Q000523:psychology; D002985:Clinical Protocols; D006801:Humans; D010098:Oxycodone / Q000008:administration & dosage* / Q000009:adverse effects / Q000145:classification; D012307:Risk Factors; D012803:Sick Role; D016896:Treatment Outcome; D014944:World Health Organization
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D000894:Anti-Inflammatory Agents, Non-Steroidal; D000082:Acetaminophen; D010098:Oxycodone