Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CHAN FKL,What is the risk of recurrent lower gastrointestinal bleeding with continued low-dose aspirin therapy? An 8-year prospective cohort study,"DDW 2009 abstrust, June 1",,,2009,,,,https://cir.nii.ac.jp/crid/1570572701032137856,