Name Info Provider Link
subscription/membership/fee required Atypon https://journals.asm.org/doi/10.1128/IAI.00725-20?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Helicobacter Pylori Infections free resource MedlinePlus Health Information https://medlineplus.gov/helicobacterpyloriinfections.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34310886/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/34310886