Mann, Justin Elective Neck Dissection, but Not Adjuvant Radiation Therapy, Improves Survival in Stage I and II Oral Tongue Cancer with Depth of Invasion >4 mm. [electronic resource] - Cureus Dec 2019 - e6288 p. digital Publication Type: Journal Article ISSN: 2168-8184 Standard No.: 10.7759/cureus.6288 doi