Heparin Oligosaccharides Have Antiarrhythmic Effect by Accelerating the Sodium-Calcium Exchanger oleh Carlos M. G. de Godoy, Ênio R. Vasques, Ênio R. Vasques, Afonso Caricati-Neto, José G. P. Tavares, Beatriz J. Alves, Juliana Duarte, Regiane Miranda-Ferreira, Marcelo A. Lima, Helena B. Nader, Ivarne L. dos Santos Tersariol, Ivarne L. dos Santos Tersariol