Preexisting epithelial diversity in normal human livers: a tissue-tethered cytometric analysis in portal/periportal epithelial cells. - Isse K; Lesniak A; Grama K; Maier J; Specht S; Castillo-Rama M; Lunz J; Roysam B; Michalopoulos G; Demetris AJ (Hepatology (Baltimore, Md.), 2013)