مقال بحثي وصول مفتوح Case Report: A Rare Association Between Brown-Vialetto-Van Laere Syndrome type 2 (BVVLS2) and Cyclic Vomiting Syndrome (CVS) in a Pediatric Patient Rita Alfattal, Adeeb Algaith, Hussain Sadeq وآخرون · مجلة عُمان الطبية · 2026