Authors: S M Hasnain; A R Al-Frayh; J L Subiza; Enrique Fernández-Caldas; M Casanovas; T Geith; M O Gad-El-Rab; E Koshak; H Al-Mehdar; S Al-Sowaidi; H Al-Matar; R Khouqeer; K Al-Abbad; M Al-Yamani; E Alaqi; O A Musa; S Al-Sedairy Journal: World Allergy Organ J Date: 2012-06 Impact factor: 4.084