Malignant thickening lesions of the gastric walls: a correlative study of CT scans versus gastrointestinal barium meal examinations and gastroscopies 恶性胃壁增厚性病变的CT、钡餐与胃镜对比研究
Analysis of gastroscopies presentation of 2430 Beijing children with digestive tract disease 北京地区2430例小儿消化道疾病胃镜分析