| Elwalid Fadul Nasir HIV and AIDS related knowledge, sources of information, and reported need for further education among dental students in Sudan--a cross sectional studyElwalid Fadul Nasir Faculty of Dentistry, University of Science and Technology, Sudan BMC Public Health 8:286. 2008 Utilization of dental health care services in context of the HIV epidemic- a cross-sectional study of dental patients in the SudanElwalid Fadul Nasir Faculty of Dentistry, University of Science and Technology, Omdurman, Sudan BMC Oral Health 9:30. 2009
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