Impact of Age and Immune System Function on Recurrent Tonsillitis: A Systematic Review of Qualitative Studies. J Biochem Microbiol Biotechnol [Internet]. 2025 Dec. 12 [cited 2026 May 11];13(2):198-214. Available from: https://journal2.hibiscuspublisher.com/index.php/JOBIMB/article/view/1174