1-Pediatric Trauma In North of Iran (7th European Trauma Slovenia congress-May, 14-17 2006).
2-Hazard for Creating Assessment of Potentials in North of Iran (14international safety congress- Norway-June 13-15 2005) .
3- An Epidemiologic Study about Trauma in North of Iran (Guilan) (16th world congress of safety Tehran- June 2007)
4-An Epidemiologic Study about Trauma in North of Iran (Guilan) (16th world congress of safety Tehran- June 2007)
5- Delayed and Progressive Contusion & Intraparanchymal Hemorrhage in Head Trauma (16th world congress of safety Tehran- June 2007)
6- Children and Unintentional Injuries In North Of IRAN ( Guilan) (16th world congress of safety Tehran-June 2007)