1. Cardiovascular changes after the three stages of nasotracheal intubation 
S Singh, J.E. Smith 
British Journal of Anaesthesia 
Volume 91, Issue 5, Pages (November 2003)
DOI: /bja/aeg240
Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Mean arterial pressure (mean, sem) changes in nasopharyngeal intubation, nasopharyngeal intubation plus direct laryngoscopy and nasotracheal intubation groups before induction (Pre-ind), before test procedure (Pre-proc), and 1, 2, 3, and 4 min after test procedure (Post-proc). *P<0.05 between groups.
British Journal of Anaesthesia  , DOI: ( /bja/aeg240)
Copyright © 2003 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
Heart rate (mean, sem) changes in nasopharyngeal intubation, nasopharyngeal intubation plus direct laryngoscopy and nasotracheal intubation groups before induction (Pre-ind), before test procedure (Pre-proc), and 1, 2, 3, and 4 min after test procedure (Post-proc). *P<0.05 between groups.
British Journal of Anaesthesia  , DOI: ( /bja/aeg240)
Copyright © 2003 British Journal of Anaesthesia Terms and Conditions