J Natl Cancer Inst. - 1999 Dec 15

Randomized trial of radiation therapy versus concomitant chemotherapy and radiation therapy for advanced-stage oropharynx carcinoma. 
Calais G, Alfonsi M, Bardet E, Sire C, Germain T, Bergerot P, Rhein B, Tortochaux J, Oudinot P, Bertrand P. 
G. Calais, Centre Hospitalier Universitaire Tours, France