Mutation-specific risk in two genetic forms of type 3 long QT syndrome.

Liu, Jf; Moss, Aj; Jons, C; Benhorin, J; Schwartz, Peter; Spazzolini, C; Crotti, Lia; Ackerman, Mj; Mcnitt, S; Robinson, Jl; Qi, M; Goldenberg, I; Zareba, W.