title: Influence of wartime stress and psychosocial factors in Lebanon on analgesic requirements for postoperative pain.
mesh_terms: D001062:Appendectomy; D005260:Female; D006801:Humans; D007861:Lebanon; D008297:Male; D008614:Meperidine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000150:complications / Q000188:drug therapy*; D012111:Residence Characteristics; D012737:Sex Factors; D012959:Socioeconomic Factors; D013315:Stress, Psychological / Q000150:complications*; D014857:Warfare
chemical_list: D008614:Meperidine