מקורות:
(1) http://www.ncbi.nlm.nih.gov/pubmed/11882402
(2) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3832176/
(3) http://www.worldscientific.com/doi/abs/10.1142/S0219030304002241?journalCode=apbn
(4) http://www.ijnpnd.com/article.asp?issn=2231-0738;year=2012;volume=2;issue=2;spage=84;epage=91;aulast=Singhal;aid=IntJNutrPharmacolNeurolDis_2012_2_2_84_95927
(5) http://www.ncbi.nlm.nih.gov/pubmed/11710709
(6) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4277626/
(7) http://www.ncbi.nlm.nih.gov/pubmed/18813412
(2) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3832176/
(3) http://www.worldscientific.com/doi/abs/10.1142/S0219030304002241?journalCode=apbn
(4) http://www.ijnpnd.com/article.asp?issn=2231-0738;year=2012;volume=2;issue=2;spage=84;epage=91;aulast=Singhal;aid=IntJNutrPharmacolNeurolDis_2012_2_2_84_95927
(5) http://www.ncbi.nlm.nih.gov/pubmed/11710709
(6) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4277626/
(7) http://www.ncbi.nlm.nih.gov/pubmed/18813412
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