1. A randomised cross-over cohort study of exposure to emissions from a road tunnel ventilation stack. Issue 4 (17th August 2012) Authors: Cowie, Christine T; Ezz, Wafaa; Xuan, Wei; Lilley, William; Rose, Nectarios; Rae, Michael; Marks, Guy B Journal: BMJ open Issue: Volume 2:Issue 4(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗