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

by Hai‐Fan Xiao, Shi‐Peng Yan, Ji‐Gang Li, Zhao‐Hui Shi, Yan‐Hua Zou, Ke‐Kui Xu, Xian‐Zhen Liao
Published 2020-11-01