1. House dust mite allergen avoidance and self-management in allergic patients with asthma: randomised controlled trial by Marjolein P de Vries, Lisette van den Bemt, Karen Aretz, Bart PA Thoonen, Jean WM Muris, Arnold DM Kester, Sonja Cloosterman, and CP Onno van Schayck BJGP Volume 57(536):184-190 March 1, 2007 ©2007 by British Journal of General Practice

2. Patient flow for selection, inclusion and study stages. Marjolein P de Vries et al. Br J Gen Pract 2007;57:184-190 ©2007 by British Journal of General Practice

3. Inhaled corticosteroids use during the study. Marjolein P de Vries et al. Br J Gen Pract 2007;57:184-190 ©2007 by British Journal of General Practice