ERS 2021 ThessalonikiDecember 22, 2024 « All Events This event has passed.ERS 2021 ThessalonikiSeptember 26, 2021 - September 30, 2021 « ERS 2018 London11th Advanced Frontal Sinus Surgery Course » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Start: September 26, 2021 End: September 30, 2021 Event Category:Congresses