PALLAVI SAROCH; ADITYA SARAF; VIKAS MAHAJAN; GOPIKA KALSOTRA; PARMOD KALSOTRA. Role of serum vitamin D levels in patients with chronic tonsillitis in paediatric age group. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 9, n. 4, p. 256–260, 2023. DOI: 10.18203/issn.2454-5929.ijohns20230659. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/3908. Acesso em: 17 jan. 2026.