Nazari, F. , , Mirchamsy, H. , , Alé-Agha, S. , and Mahinpour, M. . "A model for developing countries of mass serological survey of children vaccinated against diphtheria and tetanus", Archives of Razi Institute, 29, 1, 1977, 1-3. doi: 10.22092/ari.1977.108800