title: [Relative potency of morphine, meperidine and fentanyl during anesthesia with nitrous oxide].
mesh_terms: D000759:Adjuvants, Anesthesia; D000328:Adult; D000368:Aged; D000769:Anesthesia, Inhalation; D001835:Body Weight; D002986:Clinical Trials as Topic; D004357:Drug Synergism; D005069:Evaluation Studies as Topic; D005260:Female; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D008614:Meperidine / Q000008:administration & dosage*; D008875:Middle Aged; D009609:Nitrous Oxide; D013997:Time Factors
chemical_list: D000759:Adjuvants, Anesthesia; D008614:Meperidine; D009609:Nitrous Oxide; D005283:Fentanyl
vernacular_title: Potencia relativa de morfina, meperidina y fentanil durante la anesthesia con óxido nitroso-oxígeno.