Figure 6From: A prospective study comparing the efficacy and safety of two sublingual birch allergen preparationsBet v and Bet v1 specific IgG 4 levels (including standard error) before and after SLIT treatment. No significant differences in the increase in Bet v (p = 0.17) and Bet v 1 (p = 0.11) specific IgG4 levels was observed following SUB-B and Stal-B treatment.Back to article page