Effect of Vitamin B(12) Injection on the Vocal Performance of Professional Singers: A Randomized, Double-blind, Placebo-Controlled, Crossover Trial

IMPORTANCE: One-third of singers and vocal professionals report experiencing a benefit from empirical vitamin B(12) injections for improvement of mild singing-related symptoms (eg, reduced stamina, vocal fatigue, and effort). However, there is no objective evidence to support or refute these claims....

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Publicat a:JAMA Otolaryngol Head Neck Surg
Autors principals: Shoffel-Havakuk, Hagit, Lava, Christian X., Reuven, Yonatan, Moog, Dominic, Odell, Karla, Reder, Lindsay S., Hapner, Edie R., Johns, Michael M.
Format: Artigo
Idioma:Inglês
Publicat: American Medical Association 2020
Matèries:
Original Investigation
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC7662483/
https://ncbi.nlm.nih.gov/pubmed/33180098
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1001/jamaoto.2020.4026
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