adverseeffects airpollution allergy asthma complications congresses contact contactdermatitis control dermatitis environmentalaspects geneticaspects genetics hypersensitivity identification immediate immunogenetics immunology immunotherapy indoor indoorairpollution internalmedicine occupational occupationaldermatitis poisonousplants prevention qw900g32761990 recombinantproteins respiratoryallergy therapeuticuse therapy toxicity toxicology wd300n53171996 wr175m346c