Volume 29, Issue 138, March and April 2011, Pages 555-561
Fereshteh Ashtari, Vahid Shaygannejad, Fatemeh Heidari, Mojtaba Akbari
Volume 24, Issue 83, July and August 2007, Pages 14-8
Fereshteh Ashtari, Vahid Shaygan Nezhad, Alia Saberi, Fatemeh Kar Kheyran, Elham Khosravi
