{Reference Type}: Letter {Title}: A case of syphilitic heart disease with abnormal left coronary opening. {Author}: Luo DL;Dong TZ;Guo JT;Jiang C; {Journal}: Asian J Surg {Volume}: 0 {Issue}: 0 {Year}: Sep 2021 7 {Factor}: 2.808 {DOI}: 10.1016/j.asjsur.2021.08.027 {Abstract}: