1 23 International Journal of Peptide Research and Therapeutics formerly known as "Letters in Peptide Science" ISSN 1573-3149 Volume 21 Number 1 Int J Pept Res Ther (2015) 21:133-138 DOI 10.1007/s10989-014-9441-9 The Antiepileptic Effect of Carbamazepine During Estrous Cycle in Pentylenetetrazol- Induced Seizures in Rat Morteza Zendehdel, Jahangir Kaboutari, Sara Salimi & Shahin Hassanpour