title: Preoperative evaluation.
mesh_terms: D000328:Adult; D000368:Aged; D001778:Blood Coagulation Disorders / Q000150:complications; D002318:Cardiovascular Diseases / Q000150:complications; D048909:Diabetes Complications; D006257:Head / Q000601:surgery*; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007674:Kidney Diseases / Q000150:complications; D008107:Liver Diseases / Q000150:complications; D008875:Middle Aged; D009333:Neck / Q000601:surgery*; D009748:Nutrition Disorders / Q000150:complications; D011183:Postoperative Complications; D011300:Preoperative Care; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000150:complications; D012306:Risk
chemical_list: D006454:Hemoglobins