A, representative inhibition ELISA results with Bet v 2 used as an inhibiting allergen. Bet v 2, Bet v 2 coated on a plate; Art v 4, Art v 4 coated on a plate; Amb a 8, Amb a 8 coated on a plate; I, inhibition by Bet v 2 (30 μg/ml). B, representative inhibition ELISA results using Art v 4 as an inhibiting allergen. Bet v 2, Bet v 2 coated on a plate; Art v 4, Art v 4 coated on a plate; Amb a 8, Amb a 8 coated on a plate; I, inhibition by Art v 4 (30 μg/ml).