Hakim, Samer George A GERMAN PROBLEM! TNM-classification of the oral cavity-pT4a tumors are lost in translation. [electronic resource] - International journal of oral and maxillofacial surgery Jun 2010 - 631 p. digital Publication Type: Letter ISSN: 1399-0020 Standard No.: 10.1016/j.ijom.2010.02.006 doi Subjects--Topical Terms: HumansMandibular Neoplasms--classificationNeoplasm StagingTongue Neoplasms--classificationTranslations