Integrative and comparative genomics analysis of early hepatocellular carcinoma differentiated from liver regeneration in young and old oleh Ozand Pinar T, Goyns Malcolm H, Shoukri Mohamed M, Al-Qahtani Ahmed, Al-Bakheet Al-Bandary, Chishti Muhammad A, Colak Dilek, Quackenbush John, Park Ben H, Kaya Namik