TY - JOUR T1 - Endothelium-dependent relaxation in response to poly-L-arginine in canine coronary arteries: implications about hyperpolarization as a mechanism of vasodilatation JO - Arquivos Brasileiros de Cardiologia A1 - Evora, Paulo R. B. A1 - Pearson, Paul J. A1 - Rodrigues, Alfredo José A1 - Viaro, Fernanda A1 - Schaff, Hartzell V. SN - 0066-782X UL - 10.1590/S0066-782X2003000600005 VL - 80 Y1 - 2003 PB - Brasil ER -