Clinical and pathological evaluation of fibrolamellar hepatocellular carcinoma: a single center study of 21 cases - Chagas, Aline Lopes; Kikuchi, Luciana; Herman, Paulo; Alencar, Regiane S. S. M.; Tani, Claudia M.; Diniz, Márcio Augusto; Pugliese, Vincenzo; Rocha, Manoel de Souza; D′Albuquerque, Luiz Augusto Carneiro; Carrilho, Flair Jose; Alves, Venancio A. F. (Clinics, 2015)