Veysel Duzen, I., and Y. Cekici. “Predictors of Multivessel Involvement in Patients under 40 Years of Age Receiving Primary PTCA for STEMI”. Annals of Medical Research, vol. 26, no. 9, May 2021, pp. 1825-31, http://annalsmedres.org/index.php/aomr/article/view/1730.