Kilicoglu, M., I. Solmaz, B. Yakar, E. Onalan, and F. Gursu. “The Relationship Between Betatrophin Levels and HbA1c”. Annals of Medical Research, vol. 27, no. 3, May 2021, pp. 0852-6, http://annalsmedres.org/index.php/aomr/article/view/663.