Clinical outcomes after more conservative management of patent ductus arteriosus in preterm infants Cristina Borràs-Novell; Ana Riverola; Victoria Aldecoa-Bilbao; Montserrat Izquierdo; Monica Domingo;

Risk factors for renal involvement in Henoch¿Schönlein purpura Woo Kyung Kim; Chan Jong Kim; Eun Mi Yang;