Ultrasound-Guided Injection of Botulinum Toxin Type A for Piriformis Muscle Syndrome: A Case Report and Review of the Literature
A. Santamato, Maria Francesca Micello, Giovanni Valeno, R. Beatrice, N. Cinone, A. Baricich, A. Picelli, F. Panza, G. Logroscino, P. Fiore, M. Ranieri
Toxins