Zaman A. A. Ibrahim. “Effect of Purified 1-Hydroxyphenazine Pigment on B Rosette Formation Against Secondary Hydatidosis ”. Journal of Madenat Alelem University College, Vol. 1, no. 1, June 2009, pp. 67-77, http://116.203.176.164/index.php/JMAUC/article/view/294.