References

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The Nemours Foundation (1995-2013). How can I quit smoking? – Strageties that Work. Retrived November, 17th, 2013 from http://kidshealth.org/teen/drug_alcohol/tobacco/quit_smoking.html#

http://www.lung.ca/protect-protegez/tobacco-tabagisme/facts-faits/teens-ados_e.php

http://www.hc-sc.gc.ca/hc-ps/tobac-tabac/research-recherche/stat/ctums-esutc_2012-eng.php#tabc