Nara, P. L., Robey, W. G., Arthur, L. O., Asher, D. M., Wolff, A. V., Gibbs, C. J., . . . Fischinger, P. J. (1987). Persistent infection of chimpanzees with human immunodeficiency virus: Serological responses and properties of reisolated viruses.

Nara, P L., W G. Robey, L O. Arthur, D M. Asher, A V. Wolff, C J. Gibbs, D C. Gajdusek, and P J. Fischinger. Persistent Infection of Chimpanzees With Human Immunodeficiency Virus: Serological Responses and Properties of Reisolated Viruses. 1987.

Nara, P L., et al. Persistent Infection of Chimpanzees With Human Immunodeficiency Virus: Serological Responses and Properties of Reisolated Viruses. 1987.