1. Tattoos and body piercings in the United States: a national data set;Laumann;J Am Acad Dermatol,2006
2. Ifop pour Dimanche Ouest France. Les Français et les tatouages, Juillet 2010. http://www.ifop.com/media/poll/1220-1-study_file.pdf, accessed 29 Nov. 2012.
3. Tattooing, permanent makeup and piercing in Amsterdam; guidelines, legislation and monitoring;Worp;Euro Surveill,2006
4. People with multiple tattoos and/or piercings are not at increased risk for HBV or HCV in The Netherlands;Urbanus;PLoS One,2011
5. Should rheumatology patients on immunosuppressive medications be advised against getting tattoos?;O’Connor;Ir Med J,2012