Simian Immunodeficiency VirusNorman L. Letvin · First published 1994 · Latest edition 2012Open the Tome
Animal models of HIV and other retroviral infectionsPaul Racz, Norman L. Letvin · First published 1993Open the Tome
Cytotoxic T cells in HIV and other retroviral infectionsPaul Racz, Norman L. Letvin · First published 1992Open the Tome