Ali Elsay, O. E., Elshemy, M. aBassuni and Elsays, H. (2016) “Effect of a Multi-Modal Preparation Package on knowledge and anxiety among Patients Undergoing cardiac Catheterization”., International journal of Nursing Didactics, 6(01), pp. 01–12. doi: 10.15520/ijnd.2016.vol6.iss01.132.01-12.