Torticollis in a Child with OtalgiaBMJ 378:e070608, Sarathi, C.I.P.,et al, 2022
Longitudinal Exper with Botulinum Toxin Injections for Treat of Blepharospasm & Cervical DystoniaNeurol 43:834-836, Jankovic,J.&Schwartz,K.S., 1993