Occult Blood in Feces Is Associated With an Increased Risk of Ischemic Stroke and Myocardial Infarction: A Nationwide Population Study - Jung Min Moon; Hyun Jung Lee; Kyungdo Han; Da Hye Kim; Seung Wook Hong; Hosim Soh; Seona Park; Eun Ae Kang; Jooyoung Lee; Seong-Joon Koh; Jong Pil Im; Joo Sung Kim; et al. (2021)