A prospective study of the effect of botulinum toxin A on masseteric muscle hypertrophy with ultrasonographic and electromyographic measurement

Edward W.H. To, W.S. Ho, Wai Keung Wong, Peter C.W. Pang, Anil T. Ahuja, A C F Hui, Walter King

British Journal of Plastic Surgery · 2001 · 172 citations · 9 references

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