OSMAN , T., OMER , A., BDELMONEM , R., IBRAHIM , N., SIRAG , R., ZAIN-ELABDEEN , S. and KHALIFA , N. 2015. Epidemiology of sharp injuries and hepatitis b vaccination among Sudanese dental house officers. International Arab Journal of Dentistry (IAJD). 6, 1 (Feb. 2015), 29-36. DOI:https://doi.org/10.70174/iajd.v6i1.199.