Year, Count, Co-author(s) 2010,6,"Almquist, A. K.; Kshettry, V. R.; Eales, F.; Ahmed, I.; Flavin, T. F.; Henry, T. D." 2012,4,"House, Chad M., BS, RDCS, FASE; Nelson, William B., MD; Dahiya, R.; Pibarot, P."