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Page 1
Epidemiology of Helicobacter pylori infection.
Sjomina O, Pavlova J, Niv Y, Leja M. Sjomina O, et al. Helicobacter. 2018 Sep;23 Suppl 1:e12514. doi: 10.1111/hel.12514. Helicobacter. 2018. PMID: 30203587 Review.
Assessing the utility of pepsinogens and gastrin-17 in gastric cancer detection.
Gašenko E, Bogdanova I, Sjomina O, Aleksandraviča I, Kiršners A, Ancāns G, Rudzīte D, Vangravs R, Sīviņš A, Škapars R, Tzivian L, Polaka I, Folkmanis V, Leja M. Gašenko E, et al. Among authors: sjomina o. Eur J Cancer Prev. 2023 Sep 1;32(5):478-484. doi: 10.1097/CEJ.0000000000000791. Epub 2023 Mar 13. Eur J Cancer Prev. 2023. PMID: 36912185
Clinicopathological characteristics of Epstein-Barr virus-positive gastric cancer in Latvia.
Gasenko E, Isajevs S, Camargo MC, Offerhaus GJA, Polaka I, Gulley ML, Skapars R, Sivins A, Kojalo I, Kirsners A, Santare D, Pavlova J, Sjomina O, Liepina E, Tzivian L, Rabkin CS, Leja M. Gasenko E, et al. Among authors: sjomina o. Eur J Gastroenterol Hepatol. 2019 Nov;31(11):1328-1333. doi: 10.1097/MEG.0000000000001521. Eur J Gastroenterol Hepatol. 2019. PMID: 31569122 Free PMC article.
Assessment of Serum Pepsinogens with and without Co-Testing with Gastrin-17 in Gastric Cancer Risk Assessment-Results from the GISTAR Pilot Study.
Robles C, Rudzite D, Polaka I, Sjomina O, Tzivian L, Kikuste I, Tolmanis I, Vanags A, Isajevs S, Liepniece-Karele I, Razuka-Ebela D, Parshutin S, Murillo R, Herrero R, Young Park J, Leja M. Robles C, et al. Among authors: sjomina o. Diagnostics (Basel). 2022 Jul 19;12(7):1746. doi: 10.3390/diagnostics12071746. Diagnostics (Basel). 2022. PMID: 35885649 Free PMC article.
Randomised clinical trial: comparison of efficacy and adverse effects of a standard triple clarithromycin-containing regimen with high-dose amoxicillin and bismuth therapy in Helicobacter pylori eradication.
Sjomina O, Lielause A, Rūdule A, Vangravs R, Paršutins S, Poļaka I, Daugule I, Stonāns I, Park JY, Leja M. Sjomina O, et al. Eur J Cancer Prev. 2022 Jul 1;31(4):333-338. doi: 10.1097/CEJ.0000000000000718. Epub 2021 Dec 20. Eur J Cancer Prev. 2022. PMID: 35471812 Clinical Trial.
Pepsinogen test for the evaluation of precancerous changes in gastric mucosa: a population-based study.
Sjomina O, Pavlova J, Daugule I, Janovic P, Kikuste I, Vanags A, Tolmanis I, Rudzite D, Polaka I, Kojalo I, Liepniece-Karele I, Isajevs S, Santare D, Pirags V, Pahomova J, Dzerve V, Tzivian L, Erglis A, Leja M. Sjomina O, et al. J Gastrointestin Liver Dis. 2018 Mar;27(1):11-17. doi: 10.15403/jgld.2014.1121.271.pep. J Gastrointestin Liver Dis. 2018. PMID: 29557410 Free article.