Ali Elsay, O. E., Elshemy, M. aBassuni, & 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), 01–12. https://doi.org/10.15520/ijnd.2016.vol6.iss01.132.01-12