Authors: |
Shoffel-Havakuk H, Lava CX, Reuven Y, Moog D, Odell K, Reder LS, Hapner ER, Johns MM |
|
Title: |
Effect of Vitamin B12 Injection on the Vocal Performance of Professional Singers: A Randomized, Double-blind, Placebo-Controlled, Crossover Trial |
Source: |
JAMA Otolaryngology - Head & Neck Surgery 2021 147(1): 9-15 |
Year: |
2021 |
Research Design: |
Randomised Controlled Trial |
Rating Score: |
N/A To be rated |
Abstract: |
Copyright release for this abstract has not been obtained. |
Access: |
Paywall |