Noong 1984, natagpuan ng mananaliksik ng Australia na sina Barry Marshall at Robin Warren na ang bakterya ng Helicobacter pylori ang pangunahing sanhi ng gastritis at mga ulser sa tiyan.
© Chloroformzt Official - Est 2009
10 Kawili-wiling Katotohanan About Medical breakthroughs and advancements

10 Kawili-wiling Katotohanan About Medical breakthroughs and advancements