Volume 52, Issue 2, May and June 2008, Pages 70-75
Abbas Shirdel; Lida Manavifar; Amireh Njat Shokohi; Mohammad Taghi Shakeri; Monireh Mahjoub
Volume 51, Issue 1, March and April 2007, Pages 75-78
K Nikkhah; P Sasannejad; A Shirdel; F Chekani