The effectiveness of topical colloidal silver in recalcitrant chronic rhinosinusitis: a randomized crossover control trial.
John R ScottRohin KrishnanBrian W RotenbergLeigh J SowerbyPublished in: Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale (2017)
NCT02403479 . Registered on March 1, 2015.