1. Pain in the neonate;Fletcher, A.B.;N Engl J Med,1987
2. Randomised trial of fentanyl anaesthesia in preterm babies undergoing surgery;Anand, K.J.S.; Sippel, W.G.; Aynsley-Green, A.;Lancet,1987
3. The correlation between fentanyl pharmacokinetics and pharmacodynamics in preterm infants during patent ductus arteriosus ligation;Collins, C.; Koren, G.; Crean, P.; Klein, J.; Roy, W.L.; Macleod, S.M.;Anesthesiology,1984
4. Effect of pancuronium and pethidine on heart rate and blood pressure in ventilated infants;Miall-Allen, V.M.; Whitelaw, A.G.L.;Arch Dis Child,1987