Atadağ, Y., and A. Öksüz. “Relationship of Depression to Diabetes, Prediabetes and Nondiabetics According to HbA1c Classification: Retrospective Study on 72,175 Patients”. Journal of Surgery and Medicine, vol. 1, no. 3, Dec. 2017, pp. 52-55, doi:10.28982/josam.370527.