Helicobacter pylori and the possible probiotic Lactobacillus salivarius co-exist in Estonian gastric biopsy sampleRoots, Kaisa; Kasak, Lagle; Suurmaa, Külliki; Sarand, Inga; Spuul, PirjoHelicobacter2020 https://www.x-mol.com/paper/1304864948814581760 https://onlinelibrary.wiley.com/journal/15235378?tabActivePane= https://doi.org/10.1111/hel.12745