【单选题】A 60-year-old man presents with epigastric pain after meals, with some nausea and vomiting. A burning sensation in the midepigastrium is relieved by antacids and H2 antagonists. Upper endoscopy demons...
【简答题】It was the night before Christmas. I had come down the chimney with 1 to give, and to see who lived in this home. I looked about and saw a(n) 2 sight — no presents, nor even a tree. No stockings by th...