L. A. Koman, A. Brashear, S. Rosenfeld, H. Chambers, B. Russman, M. Rang, L. Root, E. Ferrari, J. Garcia de Yebenes Prous, B. P. Smith, C. Turkel, J. M. Walcott, P. T. Molloy,
Botulinum Toxin Type A Neuromuscular Blockade in the Treatment of Equinus Foot Deformity in Cerebral Palsy: A Multicenter, Open-Label Clinical Trial Pediatrics. ,vol. 108, pp. 1062- 1071 ,(2001) ,
10.1542/PEDS.108.5.1062