TY  - RPRT
TI  - A reversible selection system for UMP synthase gene amplification and deamplification.
AU  - D P Suttle
PY  - 1989
DO  - 10.1007/bf01534894
UR  - https://pubmed.ncbi.nlm.nih.gov/2476862/
ID  - 2476862
ER  -