Clinical features and the efficacy of adjuvant chemotherapy in resectable small bowel adenocarcinoma: a single-center, long-term analysis - Li, Ning; Shen, Wei; Deng, Wenying; Yang, Han; Ma, Yijie; Bie, Liangyu; Wei, Chen; Luo, Suxia (Annals of Translational Medicine, 2020)