Sezim Safak A, Sahin F. Improved treatment of recurrent aphthous stomatitis with sodium pentaborate pentahydrate (NaB) . annalsmedres [Internet]. 2021 May 25 [cited 2025 Jan. 2];28(1):0210-4. Available from: http://annalsmedres.org/index.php/aomr/article/view/327