neonates and infants had a mean requirement of vecuronium 105 micrograms kg-1 during the first 1 h of anaesthesia , to establish and maintain 90-98 % neuromuscular blockade , compared with a mean requirement of 217 micrograms kg-1 for children aged 3-10 yr ( p less than 0.05 ) .
C0021289
neonates
C0008059
children