Assessment of Circannual Rhythm in Plasma Level of Vitamin D Among Kidney Transplant Recipients in Mashhad. Iranian Journal of Kidney Diseases, [S. l.], v. 10, n. 4, p. 224–227, 2016. Disponível em: https://ijkd.org/index.php/ijkd/article/view/2350. Acesso em: 17 jun. 2025.