{Reference Type}: Letter {Title}: Adjuvant therapy for mixed neuroendocrine-non-neuroendocrine neoplasm of the ampulla of Vater. {Author}: Wang X;Sun F;Wang S; {Journal}: Asian J Surg {Volume}: 47 {Issue}: 7 {Year}: 2024 Jul 15 {Factor}: 2.808 {DOI}: 10.1016/j.asjsur.2024.03.026