Association of Paediatric Anaesthetists of Great Britain and Ireland (APA) (2012) Goodpractice in postoperative and procedural pain management. 2nd ed. Pediatric Anesthesia22(1): 1–79. Available:http://onlinelibrary.wiley.com/doi/10.1111/j.1460-9592.2012.03838.x/pdf; (accessed 15 November 2013).
2.
BradfordLD (2012) CYP2D6 allele frequency in European Caucasians, Asians, Africans and their descendants. Pharmacogenomics. 2002; 3(2): 229–243.
3.
CiszkowskiCPhillipsMSLauwersAEKorenG (2009) Codeine, ultrarapid-metabolism genotype, and postoperative death. New England Journal of Medicine361: 827–828.
4.
KellyLERiederMVan Den AnkerJMalkinBRossCNeelyMN. (2012) More codeine fatalities after tonsillectomy in North American children. Pediatrics129(5): e1343–e1346.
RussellPVon Ungern-SternbergBSSchugSA (2013) Perioperative analgesia in pediatric surgery. Current Opinion in Anaesthesiology26(4): 420–427.
8.
SalunkeSTuleuC (2013) ‘Formulating better medicines for children’: Setting the pace for the future. International Journal of Pharmaceutics. 457(1): 308–309.
9.
The European Union (2006) Regulation (EC) No 1901/2006 of the European Parliament and of the Council of 12 December 2006. Official Journal of the European Union, L378/1.