Standardization of diagnostic work in allergy.
D000485:Allergens / Q000592:standards; D006632:Histamine; D006967:Hypersensitivity / Q000175:diagnosis*; D007158:Immunologic Techniques / Q000592:standards*; D012882:Skin Tests / Q000592:standards; D014020:Tissue Extracts
D000485:Allergens; D014020:Tissue Extracts; D006632:Histamine