Tsai C.J.MEI-HWEI CHANGTsai T.C.Huang F.C.JYH-CHIN YANGCHIA-TUNG SHUN2021-03-182021-03-1819960001-6578https://scholars.lib.ntu.edu.tw/handle/123456789/553377[SDGs]SDG3Helicobacter pylori infection and duodenal ulcer in children and adolescents.journal article90742772-s2.0-0030278479