Clinical changes and significance of level of serum gastrin-17, carbohydrate Antigen-125 and pepsinogen in patients with early gastric cancer before and after endoscopic gastrointestinal mucosa dissection
Clinical changes and significance of level of serum gastrin-17, carbohydrate Antigen-125 and pepsinogen in patients with early gastric cancer before and after endoscopic gastrointestinal mucosa dissection