Molecular Epidemiology of Measles Virus before and after the 2003 Mass Vaccination Campaign for Measles/Rubella in Iran - Naseri , M; Salimi, V; Mokhtari-Azad , T; Esteghamati , A; Gooya , MM; Nadji , SA; NoroozBabaei , Z; Marashi , SM; Saadatmand , Z; Rezaei , F; Hamkar , R; Triki, H (Iranian Journal of Public Health)