TY - RPRT TI - New bacteriophage lambda vectors with positive selection for cloned inserts. AU - J Karn AU - S Brenner AU - L Barnett PY - 1983 DO - 10.1016/0076-6879(83)01004-6 UR - https://pubmed.ncbi.nlm.nih.gov/6310332/ ID - 6310332 ER -