title: [Dear colleagues. Patients with severe chronic pain often do not receive adequate therapy].
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D002908:Chronic Disease; D032921:Consensus; D019317:Evidence-Based Medicine; D006293:Health Promotion; D006801:Humans; D009437:Neuralgia / Q000188:drug therapy; D010146:Pain / Q000188:drug therapy*; D012955:Societies, Medical; D013557:Switzerland
chemical_list: D000701:Analgesics, Opioid