Late supraventricular arrhythmia complicating Fontan or cavopulmonary type procedures. Apropos of 7 cases. - Ramirez Marroquin,E.S.; Santibanez Salgado,J.A.; Calderon Colmenero,J.; Molina Mendez,J.; Herrera Alarcon,V.; Santibanez Escobar,F.; Barragan Garcia,R. (Arch Inst Cardiol Mex, 1996)