Ragweed sensitization in Europe - GA(2)LEN study suggests increasing prevalence.

Burbach, G J; Heinzerling, L M; Röhnelt, C; Bergmann, K-C; Behrendt, H; Zuberbier, T; GA(2)LEN study · Allergy · 2009

Where this comes from

Abstract

Ambrosia has now reached threshold for high prevalence allergen in Europe.

Medical subject headings