References  
1. Sitbon P, Laffon M, Lesage V, Furet P, et al. Lidocaine plasma concentrations in pediatric patients after providing airway topical anesthesia from a calibrated device. Anesth Analg. 1996 May;82(5):1003-6.
2. Eyres RL, Bishop W, Oppenheim RC, Brown TC. Plasma lignocaine concentrations following topical laryngeal application. Anaesth Intensive Care. 1983 Feb;11(1):23-6.
3. Whittet HB, Hayward AW, Battersby E. Plasma lignocaine levels during paediatric endoscopy of the upper respiratory tract. Relationship with mucosal moistness. Anaesthesia. 1988 Jun;43(6):439-42.
4. Roberts M, Gildersleve C, Lignocaine topicalisation of the pediatric airway, Paediatr Anaesth. 2016; 26(4): 337-44
5. Eyres RL, Kidd J, Oppenheim R, Brown TC. Local anaesthetic plasma levels in children. Anaesth Intensive Care. 1978 Aug;6(3):243-7.
6. Takaya T, Maeda K, Fukuyama H, Watanabe K, et al. Relationship between the dose of lidocaine administered endotracheally in small children and the serum lidocaine level–recommended dose prior to endotracheal intubation]. [Article in Japanese] Masui. 1997 Jun;46(6):764-9.
7. Bromage PR, Robson JG. Concentration of lidocaine in the blood after intravenous, intramuscular, epidural and endotracheal administration. Anaesthesia. 1961;16:461-478
8 Karasawa F. the effects of sevoflurane on lidocaine-induced convulsions. J anaesth. 1991 jan: 5(1) 60-7
9  El-Boghdadly K, Pawa A, Chin KJ. Local anesthetic systemic toxicity: current perspectives.Local and Regional Anesthesia. 2018 Aug;11:35-44
10 Paediatric Formulary Committee. BNF for Children (online) London: BMJ Group, Pharmaceutical Press, and RCPCH Publications <http://www.medicinescomplete.com> [Accessed on15 January 2020]
Tables