Canakci, Ebru, Ufuk Arslan, Onur Bukagikiran, Ilker Coskun, Ali Altinbas, Tuba Catak, Ali Ozgul Saltali, Zubeyir Cebeci, and Huseyin Erdinc Basar. 2021. “2D/4D Proportion and Preoperative Anxiety: Is There an Association?”. Annals of Medical Research 28 (8):1508-14. http://www.annalsmedres.org/index.php/aomr/article/view/3877.