1. Preventing the congenital rubella syndrome by vaccinating women at risk;Joncas;Can Med Assoc J,1983
2. Rubella re-infection and intrauterine involvement;Chang;J Pediatr,1974
3. Provincial rubella statistics (1979-1983);Kittle,1983
4. Medical Microbiology and Infectious Diseases,1981
5. Rubella vaccination: a review ot practical experience;Meyer;JAMA,1971