TY - JOUR A1 - Seibler, Jost A1 - Schübeler, Dirk A1 - Fiering, Steven A1 - Groudine, Mark A1 - Bode, Jürgen T1 - DNA cassette exchange in ES cells mediated by Flp recombinase: an efficient strategy for repeated modification of tagged loci by marker-free constructs T2 - Biochemistry Y1 - 1998 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/7274 SN - 1520-4995 VL - 37 IS - 18 SP - 6229 EP - 6234 ER -