N. R. T. Abubacker, S. A. T. Abubacker, K. Rajendran, S. M. T. Jayaraman, P. K. Suthakaran, and M. Kalappan, “A comparative study of spot urine versus 24 hour urine in assessment of proteinuria in varying degree of renal dysfunction”, Int J Adv Med, vol. 3, no. 1, pp. 1–4, Jan. 2017.