Carinci F, Farina A, Pelucchi S, Calearo C, Fini-Storchi O, Merlo R, Pastore A.
Parotid gland carcinoma: 1987 and 1997 UICC T classifications compared for prognostic accuracy at 5 years.
Eur Arch Otorhinolaryngol. 2001 Mar;258(3):150-4.
http://www.ncbi.nlm.nih.gov/pubmed/11374257