title: Peptic ulcer complications in high-risk patients.
mesh_terms: D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology*; D011183:Postoperative Complications / Q000209:etiology; D012306:Risk; D013312:Stress, Physiological / Q000150:complications; D014947:Wounds and Injuries / Q000150:complications