Complications of upper gastrointestinal foreign body in children and related risk factors
WANG Yue-Sheng, ZHANG Jing, LI Xiao-Qin, YU Zhi-Dan, ZHOU Fang
CJCP . 2020, (7): 774 -779 .  DOI: 10.7499/j.issn.1008-8830.2001026