Connexin40 Imparts Conduction Heterogeneity to Atrial Tissue - Leaf,DE; Feig,JE; Vasquez,C; Riva,PL; Yu,C; Lader,JM; Kontogeorgis,A; Baron,EL; Peters,NS; Fisher,EA; Gutstein,DE; Morley,GE (CIRCULATION RESEARCH, 2008)