1.
Gastrointest Endosc
; 94(5): 1014, 2021 11.
Article
in English
| MEDLINE | ID: covidwho-1466357
2.
Gastroenterology
; 160(5): 1873-1874, 2021 04.
Article
in English
| MEDLINE | ID: covidwho-622968