BibTex format
@inproceedings{PHYLLIS:1993,
author = {PHYLLIS, K and LEISENRING, W and DONNELLY, C and SANDBERG, S and AWERBACH, T},
pages = {693--693},
publisher = {LIPPINCOTT-RAVEN PUBL},
title = {DECREASED INFECTIVITY OF HIV-2 COMPARED TO HIV-1 - A MATHEMATICAL-MODEL},
year = {1993}
}