Husain, S. D., W. A. Hamad, and A. A. Salih. “Efficacy of Simvastatin Compared With Atorvastatin in Patients With Hyperlipidaemia in Kurdistan”. Zanco Journal of Medical Sciences (Zanco J Med Sci), vol. 16, no. 2, Aug. 2012, pp. 90-97, doi:10.15218/zjms.2012.0016.