Development and external validation of a nomogram to predict the risk of Upper gastrointestinal precancerous lesions in a non‐high‐incidence area

por Xiao, Hai‐Fan, Yan, Shi‐Peng, Li, Ji‐Gang, Shi, Zhao‐Hui, Zou, Yan‐Hua, Xu, Ke‐Kui, Liao, Xian‐Zhen
Publicado 2020