Shin-ichiro Kitajiri et al.
Archives of otolaryngology--head & neck surgery, 128(4), 365-367 (2002-04-03)
To assess the efficacy of corticosteroid therapy for sudden-onset sensorineural hearing loss at lower frequencies. Retrospective, nonrandomized, controlled study. The recovery rate, recovery/improvement rate, and period between the start of therapy and improvement of symptoms were studied in 2 groups: