Defecation delay in patients after lung tumor surgery: a prospective nested case-control study - Li, Jinbo; Yang, Tianzhen; Cen, Lijuan; Liang, Yaqing; Jiang, Chao; Chen, Junying; Dou, Xiaomeng; Mo, Wuling; Liu, Li; Chen, Yufan (Annals of Translational Medicine, 2021)