Cicero, Raúl [Comments by Cicero MD to Santillán MD]. [electronic resource] - Revista de investigacion clinica; organo del Hospital de Enfermedades de la Nutricion - 617; author reply 618 p. digital Publication Type: Letter; Comment ISSN: 0034-8376 Subjects--Topical Terms: HumansMediastinal Neoplasms--diagnostic imagingRadiography