All links accessed July 1 2019.

1. Association of Pharmaceutical Specials Manufacturers. 2017. http://www.apsm-uk.com/

2. NHS Digital. ‘Prescription Cost Analysis – England, 2018’. March 28 2019. https://digital.nhs.uk/data-and-information/publications/statistical/prescription-cost-analysis/2018

3. NHS Business Services Authority. Volume and cost of special order products. https://www.nhsbsa.nhs.uk/prescription-data/prescribing-data/volume-and-cost-special-order-products

4. The Misuse of Drugs (Amendments) (Cannabis and Licence Fees) (England, Wales and Scotland) Regulations 2018. SI 2018/1055. http://www.legislation.gov.uk/uksi/2018/1055/made

5. NICE. Cannabis-based products for medicinal use. In development [GID-NG10124]. Expected publication date: October 21 2019. https://www.nice.org.uk/guidance/indevelopment/gid-ng10124

6. MHRA. Supply unlicensed medicinal products (specials). ‘The supply of unlicensed cannabis-based products for medicinal use in humans’. October 31 2019. https://www.gov.uk/government/publications/supply-unlicensed-medicinal-products-specials

7. MHRA. Supply unlicensed medicinal products (specials). ‘The supply of unlicensed medicinal products 'specials', MHRA guidance note 14’. May 6 2014. https://www.gov.uk/government/publications/supply-unlicensed-medicinal-products-specials

8. Royal Pharmaceutical Society. Specials. ‘Prescribing Specials Guidance for the prescribers of Specials’. April 2016. https://www.rpharms.com/resources/toolkits/specials

9. British Association of Dermatologists. Specials. ‘Specials recommended by the British Association of Dermatologists for Skin Disease’. 2018. http://www.bad.org.uk/healthcare-professionals/clinical-standards/specials

10. The Royal College of Ophthalmologists. Medicines Safety. https://www.rcophth.ac.uk/standards-publications-research/quality-and-safety/medicines-safety/

11. A Sutherland and S Waldek. ‘It is time to review how unlicensed medicines are used’. Eur J Clin Pharmacol. 2015. 71: 1029. https://link.springer.com/article/10.1007%2Fs00228-015-1886-z

12. Medicines for Children. Helping your child to swallow tablets. November 30 2017. https://www.medicinesforchildren.org.uk/helping-your-child-swallow-tablets

13. American Academy of Pediatrics. Periodic Survey #44 Patient Compliance with Prescription regimens. https://www.aap.org/en-us/professional-resources/Research/Pages/PS44_Executive_Summary_PatientCompliancewithPrescriptionRegimens.aspx

14. J Walsh et al. ‘Playing hide and seek with poorly tasting paediatric medicines: Do not forget the excipients’. Advanced Drug Delivery Reviews. June 30 2014. 73:14-33. https://www.sciencedirect.com/science/article/pii/S0169409X14000349?via%3Dihub

15. NR Husain et al. ‘Supply of unlicensed medicines to children: semi-structured interviews with carers’. BMJ Paediatrics Open. 2017;1:e000051. https://bmjpaedsopen.bmj.com/content/1/1/e000051