Esteban Lasala, F [Endoscopic aspects of the tumoral pathology of the esophagus]. [electronic resource] - Acta oto-rino-laringologica ibero-americana 1966 - 696-702 p. digital Publication Type: Journal Article ISSN: 0001-6500 Subjects--Topical Terms: Esophageal Neoplasms--diagnosisEsophagoscopesHumans