Treatment of refrac- tory anterior knee pain using botulinum toxin type A (Dysport) injection to the distal vastus lateralis muscle: a randomised placebo controlled crossover trial. Br J Sports Med 2011;45:640-5.Singer, B.J.; Silbert, P.L.; Song, S.; Dunne, J.W.; Singer, K.P. ...
Singer BJ, Silbert PL, Song S, Dunne JW, Singer KP. Treatment of refractory anterior knee pain using botulinum toxin type a (dysport) injection to the distal vastus lateralis muscle: A randomised placebo controlled crossover trial. Br J Sports Med. 2010:1-6....