https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4177467
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5047973
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5748437
https://pubmed.ncbi.nlm.nih.gov/24606042
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3925854/
https://www.matulatea.com/wp-content/uploads/2015/11/synexa_report_lab_results.pdf
https://pubmed.ncbi.nlm.nih.gov/25779680
https://www.nhs.uk/conditions/stomach-ulcer/causes