title: The syndrome of immediate reactivities (contact urticaria syndrome). An historical study from a dermatology practice. I. Age, sex, race, and putative substances.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000485:Allergens / Q000009:adverse effects*; D002648:Child; D002675:Child, Preschool; D003877:Dermatitis, Contact / Q000209:etiology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012189:Retrospective Studies; D012737:Sex Factors; D013577:Syndrome; D014581:Urticaria / Q000209:etiology*
chemical_list: D000485:Allergens