Donaldson, Y. K., Bell, J. E., Holmes, E. C., Hughes, E. S., Brown, H. K., & Simmonds, P. (1994). In vivo distribution and cytopathology of variants of human immunodeficiency virus type 1 showing restricted sequence variability in the V3 loop.

Donaldson, Y K., J E. Bell, E C. Holmes, E S. Hughes, H K. Brown, and P. Simmonds. In Vivo Distribution and Cytopathology of Variants of Human Immunodeficiency Virus Type 1 Showing Restricted Sequence Variability in the V3 Loop. 1994.

Donaldson, Y K., et al. In Vivo Distribution and Cytopathology of Variants of Human Immunodeficiency Virus Type 1 Showing Restricted Sequence Variability in the V3 Loop. 1994.