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Proportionate results from allergen tests concerning individual allergens (a, b). Numbers and colors illustrate individual reactivity of type I immunoreaction and horses: 0 = no reaction, 1 = clearly positive to 4 = high grade positive (He, herbage; pl, pollen late; mm, mold mix; hg, herbage grain; te, tree early; tl, tree late; bi, birch; hn, hazelnut; rs, rape; LepD, Lep. Destr.; DmPt, Derm. Pteron.; AcS, Acarus siro).
