title: Allergy is rare where butterflies flourish in a biodiverse environment.
authors.affiliation: Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Haahtela
mesh_terms: D000818:Animals; D044822:Biodiversity; D002080:Butterflies; D006967:Hypersensitivity; D015994:Incidence