title: Two comparisons of the analgesic activity of orally administered pentazocine, dihydrocodeine and placebo.
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D000368:Aged; D000698:Analgesia; D002986:Clinical Trials as Topic; D005260:Female; D006261:Headache / Q000139:chemically induced; D006801:Humans; D008297:Male; D008875:Middle Aged; D009019:Morphinans / Q000009:adverse effects / Q000627:therapeutic use*; D009325:Nausea / Q000139:chemically induced; D010423:Pentazocine / Q000009:adverse effects / Q000627:therapeutic use*; D010919:Placebos; D013997:Time Factors; D014839:Vomiting / Q000139:chemically induced
chemical_list: D009019:Morphinans; D010919:Placebos; D010423:Pentazocine