The clinical burden of allergic rhinitis in five Middle Eastern countries: results of the SNAPSHOT program. - Al-Digheari, Ahmed; Mahboub, Bassam; Tarraf, Hesham; Yucel, Taskin; Annesi-Maesano, Isabella; Doble, Adam; Lahlou, Aaicha; Tariq, Luqman; Aziz, Fayaz; El Hasnaoui, Abdelkader (Allergy, Asthma & Clinical Immunology, 2018)