Name Info Provider Link
Heart Transplantation free resource MedlinePlus Health Information https://medlineplus.gov/hearttransplantation.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31403724.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/ctr.13693