Volume 18, Issue 6, June 2017, Pages 1645-1649
Amel Salah Eltayeb; Asim Satti; Ahmed M Sulieman
Volume 16, Issue 3, March 2015, Pages 953-958
Volume 15, Issue 16, December 2014, Pages 6755-6760
Volume 15, Issue 20, December 2014, Pages 8815-8822
Volume 14, Issue 3, March 2013, Pages 1957-1963