Circulation of cag(+) and cag(-) Helicobacter pylori strains in a Finnish community, 1973-1994GI Perez-Perez,A Salomaa, B Daverman, T Kosunen,H Rautelin,A Aromaa,P Knekt,OP Heinonen,MJ BlaserGUT(1999)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要