Das, A. T., Klaver, B., Klasens, B. I., van Wamel, J. L., & Berkhout, B. (1997). A conserved hairpin motif in the R-U5 region of the human immunodeficiency virus type 1 RNA genome is essential for replication.

Das, A T., B. Klaver, B I. Klasens, J L. van Wamel, and B. Berkhout. A Conserved Hairpin Motif in the R-U5 Region of the Human Immunodeficiency Virus Type 1 RNA Genome Is Essential for Replication. 1997.

Das, A T., et al. A Conserved Hairpin Motif in the R-U5 Region of the Human Immunodeficiency Virus Type 1 RNA Genome Is Essential for Replication. 1997.