Mary Bachman DeSilva, Sydney Rosen, Annie Jordan, Eliot DeSilva, Youssef Veriava, Daniela Connelly, Josephine Tsotetsi, Sue Roberts,
Prevalence of HIV infection and median CD4 counts among health care workers in South Africa South African Medical Journal. ,vol. 97, pp. 115- 120 ,(2007) ,
10.7196/SAMJ.459