TY  - RPRT
TI  - Recycling selectable markers in mouse embryonic stem cells.
AU  - A Abuin
AU  - A Bradley
PY  - 1996
DO  - 10.1128/mcb.16.4.1851
UR  - https://pubmed.ncbi.nlm.nih.gov/8657161/
ID  - 8657161
ER  -