Usefulness of specific immunotherapy in patients with atopic dermatitis and allergic sensitisation to house dust mites: a multi-centre, randomised, dose-response study. - Werfel,T.; Bruer,K.; Rueff,F.; Przybilla,B.; Worm,M.; Grewe,M.; Ruzicka,T.; Brehler,R.; Wolf,H.; Schnitker,J.; Kapp,A. (Allergy, 2006)