Gao JM, Tang SS, Fu W, Fan R. Signet-ring cell carcinoma of ampulla of Vater: Contrast-enhanced ultrasound findings. World J Gastroenterol 2009; 15(7): 888-891 [PMID: 19230055 DOI: 10.3748/wjg.15.888]
Corresponding Author of This Article
Shao-Shan Tang, Department of Ultrasound, Shengjing Hospital of China University, 36 Heping Street, Sanhao District, Shenyang 110004, Liaoning Province, China. tangss@sj-hospital.org
Article-Type of This Article
Case Report
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/