Bipolar radiofrequency volumetric tissue reduction of the inferior turbinates: evaluation of short-term efficacy in a prospective, randomized, single-blinded, placebo-controlled crossover trial - Bran, Gregor M.; Hünnebeck, Sophia; Herr, Raphael; Hörmann, Karl; Stuck, Boris (European archives of oto-rhino-laryngology, 2013)