Gastrointestinal Pathology in Samples From Coronavirus Disease 2019 (COVID-19)--Positive Patients. - Westerhoff, Maria; Jones, Dan; Hrycaj, Steven M.; Chan, May P.; Pantanowitz, Liron; Huolin Tu; Choi, Karen; Greenson, Joel; Lamps, Laura (Archives of Pathology & Laboratory Medicine, 2021)