Circulating levels of brain-derived neurotrophic factor correlate with disease severity in the intrinsic type of atopic dermatitis. - Raap,U.; Werfel,T.; Goltz,C.; Deneka,N.; Langer,K.; Bruder,M.; Kapp,A.; Schmid-Ott,G.; Wedi,B. (Allergy, 2006)