{Reference Type}: Letter {Title}: A rare case of vaginal yolk sac tumor in an infant. {Author}: Dong W;Yang Q;Feng Y;Zhang J; {Journal}: Asian J Surg {Volume}: 0 {Issue}: 0 {Year}: Nov 2021 27 {Factor}: 2.808 {DOI}: 10.1016/j.asjsur.2021.10.042 {Abstract}: