Defining risk levels in locally advanced head and neck cancers: a comparative analysis of concurrent postoperative radiation plus chemotherapy trials of the EORTC (#22931) and RTOG (# 9501).
Bernier J, Cooper JS, Pajak TF, van Glabbeke M, Bourhis J, Forastiere A, Ozsahin EM, Jacobs JR, Jassem J, Ang KK, Lefèbvre JL.
Head Neck. 2005 Oct;27(10):843-50. doi: 10.1002/hed.20279.
PMID:16161069
Prognostic significance of head and neck spindle cell carcinoma.