CHENNAMASETTI, K.; MULEY, A. A study of Vitamin D deficiency in patients of sickle cell disease and its association with severity. International Journal of Advances in Medicine, [S. l.], v. 7, n. 4, p. 621–625, 2020. DOI: 10.18203/2349-3933.ijam20201111. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/2201. Acesso em: 28 dec. 2025.