Shaukat, Danya, et al. “ESTABLISHING CARNITINE DEFICIENCY IN PATIENTS OF TYPE-II DIABETES MELLITUS WITH EARLY DIABETIC RETINOPATHY”. Pakistan Journal of Pathology, vol. 32, no. 4, Dec. 2021, pp. 152-6, https://pakjpath.com/index.php/Pak-J-Pathol/article/view/679.