1. Abolished ventilation and perfusion of lung caused by blood clot in the left main bronchus: auto-downregulation of pulmonary arterial blood supply. (15th September 2015) Authors: Afzelius, P; Bergmann, A; Henriksen, JH Journal: BMJ case reports Issue: Volume 2015 Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗