Items where Author is "Ballard, R.C."

Gilgen, D., Williams, B., MacPhail, Catherine, Van Dam, C.J., Campbell, Catherine, Ballard, R.C. and Taljaard, D. (2001) The natural history of HIV/AIDS in a major goldmining centre in South Africa: results of a biomedical and social survey. South African Journal of Science, 97 (1). pp. 387-392. ISSN 0038-2353