1. Tracheotomy versus intubation: A 19th century controversy;Alberti, P.W.,1984
2. Garrison, F.H. History ofMedicine. W.B. Saunders, Philadelphia, 1917, p. 91.
3. Jackson, C. Tracheotomy. Laryngoscope 1909, 19: 285-290.
4. Experience with tracheostomy in medical intensive care patients;Gunawardana, R.H.;Postgrad Med J,1992
5. Comparative analysis ofendotracheal intubation in neonates, children and adults: complications and treatment;Freeman, G.R.;Laryngoscope