Piacenza, G.; Priario, J. C.; Pizzarrosa, C.; Purriel, J.; Vercelli, J. Extramedular Plasmocytoma of the Rhinopharynx With Subsequent Dissemination to Pancreas Head and Dorsal meninges.: A propósito De 1 observación. Cir. Urug. 1985, 55, 73-75.