RT - SR - Electronic T1 - Comparison of prevalence H. pylori infection among children of St.-Petersburg, Russia at present JF - Helicobacter SP - 2022-08-31 DO - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=ISI:000486077700201 A1 - Svarval A., YR - 2019-09-05 UL - https://pasteur.elpub.ru/publication/1678 AB -