Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fukuda Wataru and Mitsumoto Yasuhide and Mori Takahiro and Shimizu Seiji and Okanoue Takeshi,Three cases of viral liver injury with a decrease in serum CA19-9 level after antiviral therapy,Kanzo,04514203,The Japan Society of Hepatology,2012,53,2,109-116,https://cir.nii.ac.jp/crid/1390001204794959232,https://doi.org/10.2957/kanzo.53.109