title: Comparisons of effects of morphine, meperidine, fentanyl, and fentanyl-droperidol.
mesh_terms: D000328:Adult; D000700:Analgesics / Q000627:therapeutic use*; D001007:Anxiety; D001544:Benperidol / Q000008:administration & dosage / Q000627:therapeutic use; D001786:Blood Glucose / Q000032:analysis; D001798:Blood Proteins / Q000032:analysis; D002784:Cholesterol / Q000097:blood; D002986:Clinical Trials as Topic; D003345:Corticosterone / Q000097:blood; D005260:Female; D005283:Fentanyl / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008614:Meperidine / Q000627:therapeutic use; D008875:Middle Aged; D009020:Morphine / Q000627:therapeutic use; D009325:Nausea; D010146:Pain / Q000188:drug therapy; D013997:Time Factors
chemical_list: D000700:Analgesics; D001786:Blood Glucose; D001798:Blood Proteins; D009020:Morphine; D002784:Cholesterol; D001544:Benperidol; D008614:Meperidine; D005283:Fentanyl; D003345:Corticosterone