Randomised clinical trial of two treatment regimens of natural surfactant preparations in neonatal respiratory distress syndrome

C. P. Speer^*, O. Gefeller, P. Groneck, E. Laufkotter, C. Roll, L. Hanssler, I. Harms, E. Herting, H. Boenisch, J. Windeler, B. Robertson

^*Corresponding author for this work