1. Serum vitamin D levels and severe therapy resistant asthma in children. (4th April 2011) Authors: Gupta, A; Bush, A; Richards, D; Hawrylowicz, C; Saglani, S Journal: Archives of disease in childhood Issue: Volume 96(2011)Supplement 1 Page Start: A13 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗