%0 Case Reports %T Case 19: A 65-Year-Old Man With Melena and Hematochezia. %A Lee H %A Choe Y %A Heo J %A Park GH %A Lee SY %A Cho YW %A Kim HS %J J Korean Med Sci %V 39 %N 6 %D 2024 Feb 19 %M 38374631 %F 5.354 %R 10.3346/jkms.2024.39.e66