Al-Rawas, O. A., Al-Riyami, B. M., Al-Kindy, H., Al-Maniri, A. A. and Al-Riyami, A. A. (2008) “Regional Variation in the Prevalence of Asthma Symptoms among Omani School Children : Comparisons from Two Nationwide Cross-sectional Surveys Six Years Apart”, Sultan Qaboos University Medical Journal, 8(2), pp. 157–169. Available at: https://journals.squ.edu.om/index.php/squmj/article/view/1351 (Accessed: 29April2024).