(with F. Kittaneh) Commutator inequalities for the Hilbert-Schmidt norm, J. Math. Anal. Appl., 268(2002), 67-73
Non-commutative operator Bohr inequality, J. Math. Anal. Appl., 282(2003), 578-583.
Inequalities for sums and products of operators, Linear Algebra Appl., 407(2005), 32-42.
(with F. Kittaneh) Inequalities for sums and direct sums of Hilbert space operators, Linear Algebra Appl., 424(2007), 71-82.
(with F. Kittaneh) Non-Commutative Clarkson inequalities for n-tuples of operators, J. Integral Equations and Operator Theory, 60 (2008), 369-379.