F. Porz

High‐dose versus low‐dose bovine surfactant treatment in very premature infants

H. Versmold, L. Gortner, P. Bartmann, 1994, Acta paediatrica.

Early treatment of respiratory distress syndrome with bovine surfactant in very preterm infants: A multicenter controlled clinical trial

R. Hentschel, L. Gortner, P. Bartmann, 1992, Pediatric pulmonology.

Randomized comparison of high-frequency ventilation with high-rate intermittent positive pressure ventilation in preterm infants with respiratory failure.

G. Lipowsky, J. Högel, O. Genzel‐Boroviczény, 1999, The Journal of pediatrics.