1. Ahlstrom, H. (1974) Studies on pulmonary mechanics in infants.Acta. Paediat. Scand. 244, (Suppl.), 1–21.
2. Harrison, V. C., Heese, M. De V. andKlein, M. (1968) The significance of grunting in hyaline membrane disease.Pediatrics 41, 549–559.
3. Hjalmarson, O. andOlsson, T. (1974) Mechanical and ventilatory parameters in healthy and diseased newborn infants.Acta. Paediat. Scand. 247, (Suppl.), 26–48.
4. Karlberg, P., Cherry, R. B., Escardo, F. andKoch, G. (1960) Respiratory studies in newborn infants.49, 345–357.
5. Krieger, I. (1963) Studies on mechanics of respiration in infancy.Amer. J. Dis. Child. 105, 439–448.