Impact of hemoglobin level and use of recombinant erythropoietin on efficacy of preoperative chemoradiation therapy for squamous cell carcinoma of the oral cavity and oropharynx. - Glaser,C.M.; Millesi,W.; Kornek,G.V.; Lang,S.; Schull,B.; Watzinger,F.; Selzer,E.; Lavey,R.S. (Int J Radiat Oncol Biol Phys, 2001)