Prevalence and Significance of the Vessel-Cluster Sign on Susceptibility-Weighted Imaging in Patients With Severe Small Vessel Disease.

Rudilosso S, Chui E, Stringer MS, Thrippleton M, Chappell F, Blair G, GarcÃa DJ, Doubal F, Hamilton I, Kopczak A, Ingrish M, Kerkhofs D, Backes WH, Staals J, van Oostenbrugge R, Duering M, Dichgans M, Wardlaw JM; SVDs@Target Investigators.