University of Wollongong Thesis Collections University of Wollongong Thesis Collection University of Wollongong Year Analysis of the group A streptococcal surface protein, serum opacity factor as a vaccine antigen and virulence determinant Christine Margaret Gillen University of Wollongong Gillen, Christine Margaret, Analysis of the group A streptococcal surface protein, serum opacity factor as a vaccine antigen and virulence determinant, Doctor of Philosophy thesis, School of Biological Sciences - Faculty of Science, University of Wollongong, 2007. http://ro.uow.edu.au/theses/3031 This paper is posted at Research Online.