1. 'Bubble sign': gas-forming bacteria from an odontogenic infection. Issue 6 (21st June 2020) Authors: Richards, Charlotte; Walker, Tom WM; Girgis, Sarah; Colbert, Serryth Journal: BMJ case reports Issue: Volume 13:Issue 6(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗