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BackgroundPollen‐food syndrome (PFS), a food allergy affecting pollen‐sensitized individuals, is likely to be the most prevalent food allergy in adults, estimated to affect 50–90% of people allergic to birch tree pollen.
ObjectiveA validated PFS diagnostic questionnaire (PFSDQ2) was used to determine the prevalence of PFS and also to characterize those who report reactions to foods.
MethodsFive...
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