TY - RPRT TI - Overlapping retrovirus U5 sequence elements are required for efficient integration and initiation of reverse transcription. AU - D Cobrinik AU - A Aiyar AU - Z Ge AU - M Katzman AU - H Huang AU - J Leis PY - 1991 DO - 10.1128/jvi.65.7.3864-3872.1991 UR - https://pubmed.ncbi.nlm.nih.gov/1710292/ ID - 1710292 ER -