GHADYAN SALEM AL SHAMMARY, YOUSSEF SANT AWAD ELRASHEDY, MOTEB ROSHAID AL-SHAMARI, MOTEB FREAH AL SHAMMARI, SULTAN FARES ALSHAMARI,; SHAIME HALEL AL ENAZI, OBAID SAMAH AL RASHIDI, SAMI FARHAN ALSHARARI, AHMED SHEMAN AL SHARARI, ABDULAZIZ SHAEM AL SHARARI, AMMASH OTHEAH AL SHARARI,; ABDULKHAREEM GATHEN AL SHAMMARY MOSA GHANEM AL RASHIDI. "The Use of Performance Improvement Methodologies in Healthcare Quality Initiatives: (Review Artical)", The Medical Journal of Cairo University, 89, December, 2021, 3113-3118. doi: 10.21608/mjcu.2021.356758