Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0168-8278(22)00313-0
COVID-19 Vaccines free resource MedlinePlus Health Information https://medlineplus.gov/covid19vaccines.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35588916/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/35588916
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S0168-8278(22)00313-0