Carpino, G., V. Nobili, P. Onori, A. Alisi, A. Franchitto, R. De Vito, R. Mancinelli, G. Alpini, D. Alvaro, and E. Gaudio. “Hepatic Progenitor Cells As a Source of Adipokines and Glucagon-Like Peptide-1 in Pediatric Nonalcoholic Fatty Liver Disease”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 40, https://oajournals.fupress.net/index.php/ijae/article/view/4614.