A randomized trial of 4-aminopyridine in EA2 and related familial episodic ataxias.
Strupp M, Kalla R, Claassen J, Adrion C, Mansmann U, Klopstock T, Freilinger T, Neugebauer H, Spiegel R, Dichgans M, et al. Neurology. 2011 Jul 19; 77(3):269-75. Epub 2011 Jul 6.