title: Complications of colonic and rectal surgery: perioperative respiratory problems.
mesh_terms: D000700:Analgesics / Q000008:administration & dosage; D000768:Anesthesia, General / Q000009:adverse effects*; D003108:Colonic Diseases / Q000601:surgery*; D006801:Humans; D010100:Oxygen / Q000097:blood; D011300:Preoperative Care; D011652:Pulmonary Circulation; D012002:Rectal Diseases / Q000601:surgery*; D012121:Respiration, Artificial; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000209:etiology*; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity
chemical_list: D000700:Analgesics; D010100:Oxygen