Hypersensitivity reactions to christmas tree extracts.
D000293:Adolescent; D000485:Allergens; D002648:Child; D005260:Female; D006801:Humans; D006967:Hypersensitivity; D008297:Male; D010936:Plant Extracts; D011506:Proteins / Q000032:analysis; D012882:Skin Tests; D014197:Trees
D000485:Allergens; D010936:Plant Extracts; D011506:Proteins