1. Prevention of neonatal respiratory distress syndrome by tracheal instillation of surfactant: a randomized clinical trial;Enhorning, G.; Shennan, A.; Possmayer, F.; Dunn, M.; Chen, C.P.; Milligan, J.;Pediatrics,1985
2. Exogenous human surfactant for treatment of severe respiratory distress syndrome: a randomized clinical trial._7Pediatr;Hallman, M.; Merritt, T.A.; Jarvenpaa, A.-L.,1985
3. Collaborative European Multicentre Study Group. Surfactant replacement therapy for severe neonatal respiratory distress syndrome: an international randomized clinical trial;Pediatrics,1988
4. Surfactant treatment and incidence of intraventricular haemorrhage in severe respiratorv distress syndrome;McCord, F.B.; Curstedt, T.; Halliday, H.L.; McClure, G.; MMcC, Reid; Robertson, B.;Arch Dis Child,1988
5. Economic evaluation of neonatal intensive care of very low birth weight infants;Boyle, M.H.; Torrance, G.W.; Sinclair, J.C.; Horwood, S.P.;N Engl J Med,1983