Mahmoud, Fadia, et al. “Trace Elements and Cell-Mediated Immunity in Gestational and Pre-Gestational Diabetes Mellitus at Third Trimester of Pregnancy”. Acta Medica Academica, vol. 41, no. 2, Nov. 2012, pp. 175-8, https://ama.ba/index.php/ama/article/view/150.