Name Info Provider Link
Pneumococcal Infections free resource MedlinePlus Health Information https://medlineplus.gov/pneumococcalinfections.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32530720/
subscription/membership/fee required Taylor & Francis https://www.tandfonline.com/doi/full/10.1080/21645515.2020.1757996
free resource Europe PubMed Central https://europepmc.org/abstract/MED/32530720