López-Gómez, Javier Metastatic pheochromocytoma to liver without elevation of metanephrines and catecholamines. [electronic resource] - International journal of surgery case reports 2016 - 71-75 p. digital Publication Type: Journal Article ISSN: 2210-2612 Standard No.: 10.1016/j.ijscr.2016.10.050 doi