Volume 54, Issue 117, April 2008, Pages 252-260
K.M. EL-KHAWAS; MONA A. ABD EL-WAHAB; M.K. ABO-ELMAGD
Volume 53, Issue 114, July 2007, Pages 1-8
K.M. EL-KHAWAS; SUZAN M. ABO-ZEID; M.K. ABO-ELMAGD