KULKARNI C M, and SUMANGALA PATIL. “Urinary C-Peptide and Urine C-Peptide Creatinine Ratio (ucpcr) Are Possible Predictors of Endogenous Insulin Secretion in t2dm Subjects - a Randomized Study”. International Journal of Pharma and Bio Sciences, vol. 7, no. 4, Dec. 2016, pp. 443-6, https://ijpbs.net/index.php/journal/article/view/5499.