1. Aherne, W. (1964). Neonatal pulmonary diseases. In Recent Advances in Clinical Pathology. 4th ed.Churchill, London. p. 284.
2. Ahveinainen, E.K. (1948). On changes in dilatation and signs of aspiration in foetal and neonatal lungs.Acta. Paediat. (Suppl. 3), 35.
3. Ahveinainen E.K. (1953). Quoted by Langley and McCradie Smith (1959).
4. Avery, M.E. (1968). The Lung and its Disorders in the Newborn Infant. 2nd ed.Saunders, Philadelphia, p. 150.
5. Barter, R.A and Maddison, T.G. (1960). The nature of the neonatal pulmonary hyaline membrane.Arch. Dis. Childh. 35, 460.