{Reference Type}: Letter {Title}: Chondroblastoma accompanied with aneurysmal bone cyst at the left distal femur. {Author}: Tang L;Liu G;Li X;Zhang D; {Journal}: Asian J Surg {Volume}: 46 {Issue}: 11 {Year}: 2023 11 7 {Factor}: 2.808 {DOI}: 10.1016/j.asjsur.2023.06.117