Acute intestinal necrosis due to multiple thrombosis in COVID-19 patient. Report of a case - Hirotsugu Morioka; Michitoshi Goto; Haruka Tanaka; Hirotaka Momose; Kazuyoshi Fujino; Toshiaki Hagiwara; Jun Aoki; Michihiro Orihata; Kotaro Kaneko (Surgical Case Reports, 2022)