“The association of ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) K121Q gene polymorphism with the risk of type 2 diabetes mellitus in European, American, and African populations: a meta-analysis” (2016) Journal of Health Sciences, 6(2), pp. 76–86. doi:10.17532/jhsci.2016.358.