Sanabria A, Chaves ALF, Kowalski LP, Wolf GT, Saba NF, Forastiere AA, Beitler JJ, Nibu KI, Bradford CR, Su?rez C, Rodrigo JP, Strojan P, Rinaldo A, de Bree R, Haigentz M, Takes RP, Ferlito A. Organ preservation with chemoradiation in advanced laryngeal cancer: The problem of generalizing results from randomized controlled trials. Auris Nasus Larynx. 2017 Feb; 44(1):18-25.