six preterm neonates , with a 24-h requirement of 2 micrograms/kg per min da treatment for oedema , moderate oliguria , poor peripheral perfusion and/or mild systemic hypotension were studied on days 2 ( day 1 ) , 3 ( day 2 , the day of da infusion ) , and 4 ( day 3 , da discontinued ) of life .
C0020649
hypotension
C0013030
da