%0 Journal Article %T A Bidirectional SF2/ASF- and SRp40-Dependent Splicing Enhancer Regulates Human Immunodeficiency Virus Type 1 rev , env , vpu , and nef Gene Expression %A Caputi, Massimo %A Freund, Marcel %A Kammler, Susanne %A Asang, Corinna %A Schaal, Heiner %J Journal of Virology %@ 0022-538X %D 2004-05-26 %I American Society for Microbiology %~ DeepDyve