TY - RPRT TI - A new lambda RES vector with a built-in Tn1721-encoded excision system. AU - J Altenbuchner PY - 1993 DO - 10.1016/0378-1119(93)90540-j UR - https://pubmed.ncbi.nlm.nih.gov/8380784/ ID - 8380784 ER -