[1]
O. A. Al-Rawas, B. M. Al-Riyami, H. Al-Kindy, A. A. Al-Maniri, and A. A. Al-Riyami, “Regional Variation in the Prevalence of Asthma Symptoms among Omani School Children : Comparisons from Two Nationwide Cross-sectional Surveys Six Years Apart”, Sultan Qaboos Univ Med J, vol. 8, no. 2, pp. 157–169, Jul. 2008.