Olfati, F., S. Asefzadeh, N. Changizi, M. Yonesian, and A. Keramat. “Clarification of Safe Delivery by Iranian Experts Based on Clinical Governance: A Qualitative Study”. Journal of Family and Reproductive Health, Vol. 9, no. 3, Oct. 2015, pp. 119-24, http://jfrh.tums.ac.ir/index.php/jfrh/article/view/161.