Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52092#.VIVBv2fHRK0 Author(s) Waled Amen Mohammed Ahmed 1 , Eiman Abdalla Ahmed 2 , Khalid Ahmad Omar Arafa 3 , Ehab Ibrahim Salih El-Amin 4 , Ziad M. Alostaz 1 , Khalid Eltahir Khalid 5 Affiliation(s) 1 Nursing Department, Faculty of Applied Medical Sciences, Albaha University, Al Bahah, Saudi Arabia . 2 Altaiseer Medical Complex, Khartoum, Sudan . 3 Faculty of Applied Medical Sciences, Albaha University, Al Bahah, Saudi Arabia . 4 Basic Sciences Department, Faculty of Applied Medical Sciences, Albaha University, Al Bahah, Saudi Arabia . 5 Faculty of Applied Medical Sciences, Albaha University, Al Bahah, Saudi Arabia . ABSTRACT Ba...
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