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Websites
- Davies S, Jewell T, Mcbride M, Burns H. Vitamin D – advice on supplements for at risk groups. The Department of Health (2012). www.dh.gov.uk/en/Publicationsandstatistics/Lettersandcirculars/Dearcolleagueletters/DH_132509
- Cancer research UK. Skin cancer – UK incidence statistics (2011). http://info.cancerresearchuk.org/cancerstats/types/skin/incidence