No abstract

No abstract

Since Blackley showed in 1873 that hay-fever patients reacted to scratch tests with pollen by forming urticarial weals, the practice of skin testing in allergy has become widespread and great diagnostic importance has been attributed to it. Recently however, the validity of skin tests has been questioned. (Urbach, 1946, and others). It is the purpose of this paper to show their limitations in the diagnosis of respiratory allergy.

No abstract

No abstract