1. Yet Another Piercing to Play With: Removal of Surface Anchors
2. NPNG Body Piercing.Dermal anchors. Available at:http://www.npng-bodypiercing.co.uk/dermal.html(last accessed 28 May 2014).
3. Body art and pregnancy
4. The Civic Government (Scotland) Act 1982 (Licensing of Skin Piercing and Tattooing) Order 2006: Implementation Guide.
5. Castle Point Borough Council Body Piercing Guidelines. Available at:http://www.castlepoint.gov.uk/file/Body_Piercing_Guidelines.pdf(last accessed 28 May 2014).