Restuti, R., Safitri, E., Ranakusuma, R., Sriyana, A., Priyono, H., Saleh, R., Marpaung, D., & Lazarus, G. (2024). Association between vitamin D deficiency and otitis media with effusion in children: a systematic review and meta-analysis. Paediatrica Indonesiana, 64(5), 419-29. https://doi.org/10.14238/pi64.5.2024.419-29