Sulaiman, M. A., Gumel, D. S., Usman, U. Z., Ocheni, A. P., Abdulmumini, Y., Adanze, R. N. and Haruna, Y. M. (2016) “Establishment of reference ranges for Serum Leptin and C-Peptide using enzymelinked immmunosorbent assay method: a preliminary report”, Asian Journal of Medical and Biological Research, 2(3), pp. 483–487. doi: 10.3329/ajmbr.v2i3.30122.