Amyloidosis: an unusual cause of portal hypertension - Takayasu, Vilma; Laborda, Lorena Silva; Bernardelli, Raquel; Pinesi, Henrique Trombini; Minguete e Silva, Marilia Polo; Chiavelli, Viviane; Simões, Angélica Braz; Felipe-Silva, Aloisio (Autopsy and Case Reports, 2016)