1. Kattwinkel J, Denson S, Zaichkin J, Niermeyer S . Textbook of Neonatal Resuscitation. 4th edn, American Heart Association: Dallas and American Academy of Pediatrics: Elk Grove Village, IIL, 2000. pp 5.1–5.34.
2. Hageman JR, Slotarski K, Casserly G, Hawkins H . Pulmonary care. In: Goldsmith J, Karotkin E (eds). Assisted Ventilation of the Neonate. W.B. Saunders Publishing Co.: Philadelphia, 2003. p 96.
3. Carlo WA, Martin R, Fanaroff A . Assisted ventilation and complications of respiratory distress. In: Fanaroff AA, Martin RJ (eds). Neonatal-Perinatal Medicine: Diseases of the Fetus and Infant. Mosby Inc: St. Louis, 2002, pp 1021–1025.
4. da Silva O, Stevens D . Complications of airway management in very-low-birth-weight infants. Biol Neonate 1999; 75: 40–45.
5. Tochen ML . Orotracheal intubation in the newborn infant: a method for determining depth of tube insertion. J Pediatr 1979; 95: 1050–1051.