KHAN, F.; USMAN, R.; ZAFAR, S.; WADUD, S. VITAMIN D DEFICIENCY IN PATIENTS WITH DIABETIC RETINOPATHY. Journal of Postgraduate Medical Institute, [S. l.], v. 31, n. 2, 2017. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/2022. Acesso em: 29 mar. 2024.