Recognition and Frequency Determination of Common Allergens in Allergic Patients of Zanjan City by Skin Prick Test Ahmadiafshar A1, Sepehri S2, Moosavinasab SN3, Torabi SZ1 1 Dept of Pediatric, Ayat-ul-Alah Moosavi Hospital, Zanjan University of Medical Sciences, Zanjan, Iran 2 Zanjan University of Medical Sciences, Zanjan, Iran 3 Dept of Social Medicine, Faculty of Medicine, Zanjan University ...