1. Tarleton, E.K. et al. PLoS One. 2017 Jun 27;12(6):e0180067.
2. Li, B. et al. Aust N Z J Psychiatry. 2017 Mar;51(3):219-229. (meta-analysis)
3. McCabe, D. et al. JBI Database System Rev Implement Rep. 2017 Feb;15(2):402-453. (review)
4. Cheungpasitporn, W. et al. Intern Med J. 2015 Apr;45(4):436-40. (meta-analysis)
5. Abbasi, B. et al. J Res Med Sci. 2012 Dec;17(12):1161-9.
6. Lakhan, S.E. et al. Nutr J. 2010 Oct 7;9:42. (review)