Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0041-1345(21)00923-4
Liver Transplantation free resource MedlinePlus Health Information https://medlineplus.gov/livertransplantation.html
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S0041-1345(21)00923-4