1. Office for National Statistics. Key Population and Vital Statistics Key Population and Vital Statistics No 34, PPI No 30, 2007 Data: population and vital statistics by area of usual residence in the United Kingdom, 2007 2009 http://www.ons.gov.uk/ons/rel/kpvs/key-population-and-vital-statistics/no--34--2007-edition/index.html
2. Office for National Statistics Prescriptions dispensed in the community statistics for 1997 to 2007: England 2008 http://www.ic.nhs.uk/webfiles/publications/PCA%20publication/Final%20version%20210708.pdf
3. Editorial comment: therapeutic orphans;Shirkey;J Pediatr,1968
4. The medicines for children agenda in the UK;Stephenson;Br J Clin Pharmacol,2006
5. Adverse drug reactions to unlicensed and off-label drugs on paediatric wards: a prospective study;Turner;Acta Paediatr,1999