Authors: Ziegler A, Verdolini Abbott K, Johns M, Klein A, Hapner ER
Title: Preliminary data on two voice therapy interventions in the treatment of presbyphonia
Source: The Laryngoscope 2014 124(8): 1869-1876
Year: 2014
Research Design: Randomised Controlled Trial
Rating Score: 04/10
This rating is confirmed
Eligibility specified - Y
Random allocation - Y
Concealed allocation - N
Baseline comparability - Y
Blind subjects - N
Blind therapists - N
Blind assessors - N
Adequate follow-up - N
Intention-to-treat analysis - N
Between-group comparisons - Y
Point estimates and variability - Y

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