title: A comparison of the effects of accumulated doses of pentazocine and pethidine on ventilation at PACO2=45mm Hg.
mesh_terms: D002245:Carbon Dioxide; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008614:Meperidine / Q000008:administration & dosage / Q000494:pharmacology*; D010313:Partial Pressure; D010423:Pentazocine / Q000008:administration & dosage / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects*; D012131:Respiratory Insufficiency
chemical_list: D002245:Carbon Dioxide; D008614:Meperidine; D010423:Pentazocine