%0 Journal Article %T Retraction: Vitamin C and asthma in children: modification of the effect by age, exposure to dampness and the severity of asthma %A Harri Hemil£¿ %A Mohammed Al-Biltagi %A Ahmed Baset %J Clinical and Translational Allergy %D 2012 %I BioMed Central %R 10.1186/2045-7022-2-6 %U http://www.ctajournal.com/content/2/1/6