Relationship between gene polymorphisms in MMP-9 and Helicobacter pylori-related upper gastrointestinal disease in children
SHAN Qing-Wen, JING Cheng-Xue, WANG Lin-Lin, LU Zi-Li, TANG Qing, YUN Xiang, LIAN Shu-Jun
中国当代儿科杂志 . 2010, (04): 262 -266 .