Non-Alcoholic Fatty Liver Disease in Long-Term Type 2 Diabetes: Role of rs738409 <i>PNPLA3</i> and rs499765 <i>FGF21</i> Polymorphisms and Serum Biomarkers oleh Mauy Frujuello Mana, Maria Cândida R. Parisi, Maria Lucia Correa-Giannella, Arnaldo Moura Neto, Ademar Yamanaka, Marlone Cunha-Silva, Ana Mercedes Cavaleiro, Cristina Rodrigues dos Santos, Célia Regina Pavan, Tiago Sevá-Pereira, Sergio S. J. Dertkigil, Daniel F. Mazo