%0 Journal Article %T A case of protein-losing gastroenteropathy caused by systemic AA amyloidosis secondary to undifferentiated carcinoma of unknown primary origin %A Akihiro Shiroshita %A Ayumi Saito %A Ayumu Otsuki %A Junya Fukuoka %A Kei Nakashima %A Keishin Sunagawa %A Masahiro Aoshima %A Shota Kami %A Wataru Uegami %J Archive of "Oxford Medical Case Reports". %D 2019 %R 10.1093/omcr/omz074 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6688888/