Name Info Provider Link
subscription/membership/fee required Atypon https://journals.sagepub.com/doi/10.1136/jim-2021-001933?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
subscription/membership/fee required HighWire https://jim.bmj.com/lookup/pmidlookup?view=long&pmid=34799422
Kidney Transplantation free resource MedlinePlus Health Information https://medlineplus.gov/kidneytransplantation.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=34799422.ui