Links
	1.		Nickel allergy: definition, (symptoms, causes, risk factors,...) [https://www.mayoclinic.org/diseases-conditions/nickel-allergy/symptoms-causes/syc-20351529]
	2.		FAQs [http://dermnetnz.org/dermatitis/nickel-allergy.html]
	3.		Ten tips for coping with nickel allergy [http://whatallergy.com/2011-07/nickel-allergy]
	4.		The EU nickel directive [http://en.wikipedia.org/wiki/Nickel_Directive]
	5.		The EU Nickel Directive revisited [http://www.researchgate.net/publication/49747448_The_EU_Nickel_Directive_revisited--future_steps_towards_better_protection_against_nickel_allergy]
	6.		nickel release from metal construction kits [http://www.bfr.bund.de/en/press_information/2013/30/high_nickel_release_from_metal_ construction_kits_can_trigger_allergies-188519.html]
	7.		EU Nickel Release - New Official Test Methods [http://www.intertek.com/uploadedFiles/Intertek/Divisions/Consumer_Goods/Media/ PDFs/Sparkles/2012/sparkle623.pdf]
	8.		NICKEL .... HEALTH AND SAFETY GUIDE [http://www.inchem.org/documents/hsg/hsg/hsg062.htm]
	9.		Contact sensitivity to metals (chromium, cobalt and nickel) in childhood, An. Bras. Dermatol. 87,2 (2012) [http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962012000200012]
	10.		Nickel: A Review of Its Sources and Environmental Toxicology [download/375-382.pdf]
	11.		Sensitivity and specificity of the nickel spot (dimethylglyoxime) test [http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0536.2010.01709.x/abstract; jsessionid=0DD8F0AE4687492F3899FF2E76AB7DA2.f04t01]
	12.		Type IV hypersensitivity [https://en.wikipedia.org/wiki/Type_IV_hypersensitivity]
	13.		Nickel Allergy - Prevention [http://www.mayoclinic.org/diseases-conditions/nickel-allergy/basics/ prevention/con-20027616]
	14.		Nickel allergy following European Union regulation in Denmark, Germany, Italy and the U.K. Br J Dermatol. 2013 Oct;169(4):854-8. doi: 10.1111/bjd.12556 [http://www.ncbi.nlm.nih.gov/pubmed/23909687]
	15.		Nickel Allergy in Europe: The New European Legislation Dermatology 1994;189 (suppl. 2): 56-57 [https://www.karger.com/Article/Pdf/246993]
	16.		European Parliament and Council Directive 94/27/EC of 30 June 1994 [PDF] [https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri= CELEX:31994L0027&from=EN]
	17.		The EU Parliament and of the Council Directive 94/27/EC of 30 June 1994 [http://www.teg.co.uk/nickel/94-27-EC.htm]
	18.		Commission Directive 2004/96/EC of 27 September 2004 [http://www.teg.co.uk/nickel/2004-96-EC.htm]
	19.		Nickel allergy [https://www.allergyuk.org/skin-allergy/nickel-allergy]
	20.		Allergy UK Helpline [http://www.allergyuk.org/getting-help/allergy-uk-helpline]
	21.		Nickel Allergy And Jewelry [http://www.doctorkatta.com/nickel-allergy-and-jewelry]
	22.		Nickel Allergy [http://www.michiganallergy.com/nickelallergy.shtml]