1. Neue Auffassungen über einen Grundbegriff der Atemmechanik;von Neergard;Z Ges Exp Med,1929
2. Properties, function and origin of the alveolar lining layer;Pattle;Nature,1955
3. Surface tension of lung extracts;Clements,1957
4. Surface properties in relation to atelectasis and hyaline membrane disease;Avery;Am J Dis Child,1959
5. Decreasing mortality associated with the introduction of surfactant therapy: an observational study of neonates weighing 601 to 1300 grams at birth;Horbar;Pediatrics,1993