A case of cytomegalovirus esophagitis associated with upper gastrointestinal bleeding
이규형 ( Kyu Hyung Lee ) , 장병익 ( Byung Ik Jang ) , 김경옥 ( Kyeong Ok Kim ) , 이시형 ( Si Hyung Lee ) , 이준영 ( Jun Young Lee ) , 은종렬 ( Jong Ryul Eun ) , 김태년 ( Tae Nyeun Kim )
