1. Public Health England 2016 https://www.noo.org.uk/NOO_about_obesity/adult_obesity/UK_prevalence_and_trends
2. NHS Commissioning Board Clinical commissioning policy: complex and specialised obesity surgery 2013
3. NHS England and Public Health England Working Group Joined up clinical pathways for obesity: report of the working group 2013
4. National Institute for Health and Care Excellence Weight management: lifestyle services for overweight and obese adults (PH53) 2014
5. National Institute for Health and Care Excellence Obesity: clinical assessment and management, quality standards 2016