title: [Strong acting analgesics. Strength and duration of effect].
mesh_terms: D000284:Administration, Oral; D000698:Analgesia; D006801:Humans; D007267:Injections; D008614:Meperidine / Q000008:administration & dosage; D009020:Morphine / Q000008:administration & dosage; D010423:Pentazocine / Q000008:administration & dosage
chemical_list: D009020:Morphine; D008614:Meperidine; D010423:Pentazocine
vernacular_title: Sterktvirkende analgetika. Styrke og varighet av virkningen