Manganese Accumulation in the Brain
NEJM 389:1320, Sherman,S.V., 2023
Identifying and Managing Common Childhood Language and Speech Impairments
BMJ 350:h2318, Reilly, S.,et al, 2015
Treatment of Speech and Voice Disorders with Botulinum Toxin
JAMA 264:2671-2675, Ludlow,C.L., 1990