4.Sándor PS, Di Clemente L, Coppola G, Saenger U, Fumal A, Magis D, Seidel L, Agosti RM, Schoenen J. Efficacy of coenzyme Q10 in migraine prophylaxis: a randomized controlled trial. Neurology. 2005 Feb 22;64(4):713-5. http://paininmybrain.com/wp-content/uploads/2012/03/efficacy-of-coenzyme-q10.pdf
5.Rosenfeldt F, Hilton D, Pepe S, Krum H. Systematic review of effect of coenzyme Q10 in physical exercise, hypertension and heart failure. Biofactors. 2003;18(1-4):91-100. http://www.ncbi.nlm.nih.gov/pubmed/14695924
6.Rosenfeldt F L, Haas S J, Krum H, Hadj A, Ng K, Leong J Y, Watts G F. Coenzyme Q10 in the treatment of hypertension: a meta-analysis of the clinical trials. Journal of Human Hypertension 2007 Apr; 21(4): 297-306. http://www.ncbi.nlm.nih.gov/pubmed/17287847