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Schematic timeline of liver therapy and regeneration approaches and techniques [4,5,6,7,8,9,10,11,12,13,14,15,16,17]. OLT: orthotopic liver transplantation; PHHs: primary human hepatocytes; AL: artificial liver; iPSCs: induced pluripotent stem cells; LPC: liver progenitor cells; BAL: bio artificial liver.
