1. Controlling rubella: problems and perspectives;Horstmann, D.M.;Ann Intern Med,1975
2. Rubella, measles and mumps antibodies following vaccination of children. A potential rubella problem;Balfour, H.H.; Amren, D.P.;Am.7 Dis Child,1978
3. Rubella reimmunisation now;Balfour, H.H.;Am J Dis Child,1979
4. Rubella antibody persistence after immunization;Herrmann, K.L.; Halstead, S.B.; Wiebenga, N.H.;JAMA,1982
5. Rubella screening and immunisation of schoolgirls: results six to seven years after vaccination. Br MedJ3;Zealley, H.; Edmond, E.,1982