@article { author = {Sassani, A. and Mirchamsy, H. and Shafyi, A. and Hakemi, M.T. and Achtiani, M.P.}, title = {Excessive Attenuation of Measles Virus as a Possible Cause of Failure in Measles Immunization}, journal = {Archives of Razi Institute}, volume = {40}, number = {1}, pages = {69-74}, year = {1989}, publisher = {Razi Vaccine & Serum Research Institute}, issn = {0365-3439}, eissn = {2008-9872}, doi = {10.22092/ari.1989.108983}, abstract = {}, keywords = {}, url = {https://archrazi.areeo.ac.ir/article_108983.html}, eprint = {https://archrazi.areeo.ac.ir/article_108983_55e3f655c97a248c61a3ee6bb97c8357.pdf} }