1. Coarse and fine particles but not ultrafine particles in urban air trigger hospital admission for asthma in children. Issue 3 (9th December 2011) Authors: Iskandar, Amne; Andersen, Zorana Jovanovic; Bønnelykke, Klaus; Ellermann, Thomas; Andersen, Klaus Kaae; Bisgaard, Hans Journal: Thorax Issue: Volume 67:Issue 3(2012) Page Start: 252 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗