1Shaw CA, Kelleher AA, Gill CP, et al. Comparison of the incidence of complications at induction and emergence in infants receiving oral atropine vs no premedcation. British Journal of Anaesthesia, 2000,84(2) : 174-178.
2Asai T, Koga K, Vaughan RS. Respiratory complications associated with tracheal intubation and extubation. British Journal of Anaesthesia, 1998,80:767-775.