期刊
GASTROENTEROLOGY
卷 159, 期 4, 页码 1538-1540出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.gastro.2020.05.062
关键词
COVID-19; COVID-19 PCR Testing; Endoscopy; COVID-19 Endoscopy Guidelines