1. Sullivan, N. J., Sanchez, A., Rollin, P. E., Yang, Z.-y. & Nabel, G. J. Nature 408, 605–609 (2000).
2. Peters, C. J., Sanchez, A., Rollin, P. E., Ksiazek, T. G. & Murphy, F. A. in Fields Virology (eds Fields, B. N. et al.) 1161–1176 (Lippincott Williams & Wilkins, Philadelphia, 1996).
3. Feldmann, H. & Klenk, H.-D. Adv. Virus Res. 47, 1–52 (1996).
4. Peters, C. J & LeDuc, J. W. (eds) J. Infect. Dis. 179 (suppl. 1),(1999).
5. http://www.promedmail.org