Zolmitriptan: a novel portal hypotensive agent which synergizes with propranolol in lowering portal pressure. oleh Mercedes Reboredo, Haisul C Y Chang, Roberto Barbero, Carlos M Rodríguez-Ortigosa, Francisco Pérez-Vizcaíno, Asunción Morán, Mónica García, Jesús M Banales, Norberto Carreño, Félix Alegre, Ignacio Herrero, Jorge Quiroga, Jesús Prieto, Bruno Sangro