SUCHTA, Iga et al. VITAMIN D AND RESPIRATORY TRACT INFECTIONS: A NARRATIVE REVIEW OF DEFICIENCY, SUPPLEMENTATION STRATEGIES, AND CLINICAL OUTCOMES. International Journal of Innovative Technologies in Social Science, [S. l.], v. 4, n. 2(50), 2026. DOI: 10.31435/ijitss.2(50).2026.5528. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/5528. Acesso em: 17 jul. 2026.