Cite web URL http://www.supplementquality.com/news/fatty_acid_structure.html Title Chemical and Physical Structure of Fatty Acids Last name Wyn Snow Source date 30 April 2004 URL access date 2 May 2012 ↑ National Institute of Health (August 1, 2005). "Omega-3 fatty acids, fish oil, alpha-linolenic acid". Archived from the original on 3 May 2006.