TY - RPRT TI - High efficiency, restriction-deficient in vitro packaging extracts for bacteriophage lambda DNA using a new E.coli lysogen. AU - E J Gunther AU - N E Murray AU - P M Glazer PY - 1993 DO - 10.1093/nar/21.16.3903 UR - https://pubmed.ncbi.nlm.nih.gov/8396240/ ID - 8396240 ER -