Gastroscopic and Pathological Characteristics of Helicobacter Pylori Infection in Childhood and the Treatment Effect Analysis in Guiyang 
LONG Mei,ZHU Li,BAO Linlin,PAN Peiying
Chinese General Practice . 2020, (36): 4562 -4566 .  DOI: 10.12114/j.issn.1007-9572.2020.00.357