Singer BJ, Silbert PL, Song S, Dunne JW, Singer KP. Treatment of re- fractory 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;45:640-645....
Singer BJ, Silbert PL, Song S, Dunne JW, Singer KP. Treatment of refractory anterior knee pain using botu- linum toxin type A (Dysport) injection to the distal vastus lateralis muscle: A randomised placebo con- trolled crossover trial. Br J Sports Med 2010;65: 640-5....