TY - RPRT TI - Stable RNA secondary structure in a retroviral vector insert terminates reverse transcriptase elongation in vitro but not in cultured cells. AU - R L Alford AU - J W Belmont PY - 1990 DO - 10.1089/hum.1990.1.3-269 UR - https://pubmed.ncbi.nlm.nih.gov/1706943/ ID - 1706943 ER -