Chongvisal S. Ear and Hearing School Survey for Hearing Impair Prevalence in the Southern Part of Thailand 2011. Siriraj Med J [internet]. 2016 Aug. 5 [cited 2026 Sep. 19];65(2):51-4. available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/64189