|Up a level|
Kühnel, H. and Briesen, H.v. and Dietrich, U. and Adamski, M. and Mix, D. and Biesert, L. and Kreutz, R. and Immelmann, A. and Henco, K. and Meichnser, C. and Andreesen, Reinhard and Gelderblom, H. and Rübsamen-Waigmann, H. (1989) Molecular cloning of two west african human immunodeficiency virus type 2 isolates which replicate well on macrophages: a gambian isolate from a case of neurologic acquired immunodeficiency syndrome, and highly divergent Ghanesian isolate. Proceedings of the National Academy of Sciences of the United States of America (PNAS) 86 (7), pp. 2383-2287.