Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MUTO Momotaro and YANAGAWA Nobuyuki and SATO Keisuke,A case of gastrointestinal stromal tumor of the stomach showing extragastric growth detected on abdominal ultrasound during a medical check-up,Nihon Shoukaki Gan Kenshin Gakkai zasshi,1880-7666,The Japanese Society of Gastrointestinal Cancer Screening,2021-07-15,59,4,419-425,https://cir.nii.ac.jp/crid/1390851651021182976,https://doi.org/10.11404/jsgcs.20029