benign and malignant ulcer.
良，恶性溃疡
malignant change of gastric ulcer.
胃溃疡恶变
malignant change of benign gastric ulcer.
胃溃疡癌变
Study on Clinical Features of Malignant Change of Gastric Ulcer
胃溃疡癌变临床特征的研究
Diagnostic value of surface ultrasonography in benign and malignant gastric ulcer
体表超声对胃良恶性溃疡诊断价值探讨
The value of mucosal pit and micro vascular structure in the diagnosis of benign and malignant gastric ulcer
胃小凹及微血管形态变化对胃良恶性溃疡的诊断价值
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