Chao Huwi-Chun, Yu Wen-Liang, Cytomegalovirus Esophagitis: Two Patients with Different Features, Journal of Digestive Disorders and Diagnosis, Volume 1, Issue 1, 2016, Pages 1-3, ISSN 2574-4526, https://doi.org/10.14302/issn.2574-4526.jddd-16-1077. (http://oap-journals.orgjddd/article/298) Keywords: Cytomegalovirus; Esophageal ulcer; Gastrointestinal bleeding