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Bulletin of the World Health Organization|January 1, 1976
Sudan: national health programme and primary health care, 1977/78-1983/84A A Idriss, P Lolik, R A Khan, et al.
Journal of Clinical Pathology|March 1, 1978
Ultrastructure of Ebola virus particles in human liverD S Ellis, I H Simpson, D P Francis, et al.
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