Effects of oral theophylline in patients with sinus bradycardia. / Ratto, B.; Alboni, P.; Scarfo, S.; Rossi, P.; Cappato, R.; Gatto, E.; Antonioli, G. E. In: New Trends in Arrhythmias, Vol. 6, No. 1-2, 1990, p. 821-834. Research output: Contribution to journal › Article....