Volume 21, Issue 4, April 2020, Pages 967-974
Essam E Ayad; Yousra O Kamal eldin; Ali A El-Hindawi; Mona S Abdelmagid; Hesham A Elmeligy
Volume 15, Issue 19, December 2014, Pages 8143-8147
Volume 14, Issue 11, November 2013, Pages 6331-6335
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