Correction to: Prognostic factors for lymph node metastasis from upper gingival carcinomas.
Mazen AldosimaniRinus G VerdonschotYuri IwamotoMitsuhiro NakazawaSanjay M MallyaNaoya KakimotoSatoru ToyosawaSven KreiborgShumei MurakamiPublished in: Oral radiology (2021)