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Nur, Y. A., J. Groen, A. M. Elmi, A. Ott, ja A. D. Osterhaus. Prevalence of Serum Antibodies against Bloodborne and Sexually Transmitted Agents in Selected Groups in Somalia. Cambridge University Press, 2000.

Nur, Y. A., et al. Prevalence of Serum Antibodies against Bloodborne and Sexually Transmitted Agents in Selected Groups in Somalia. Cambridge University Press, 2000.