Siiri Maasen

ESGE and ESGENA Position Statement on gastrointestinal endoscopy and COVID-19: An update on guidance during the post-lockdown phase and selected results from a membership survey

C. Hassan, T. Ponchon, P. Siersema, 2020, Endoscopy.

ESGE and ESGENA Position Statement on gastrointestinal endoscopy and the COVID-19 pandemic

C. Hassan, T. Ponchon, P. Siersema, 2020, Endoscopy.

ESGE and ESGENA Position Statement on gastrointestinal endoscopy and COVID-19: Updated guidance for the era of vaccines and viral variants

C. Hassan, P. Siersema, M. Kaminski, 2021, Endoscopy.

ESGE and ESGENA Position Statement on gastrointestinal endoscopy and the COVID-19 pandemic

C. Hassan, T. Ponchon, P. Siersema, 2020, Endoscopy.