# Comparing single oral contrast-enhanced ultrasonography and double contrast-enhanced ultrasonography in the preoperative Borrmann classification of advanced gastric cancer

> Research article (Oncotarget, 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2781679488](https://www.wikidata.org/wiki/openalex:W2781679488)  
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