TY  - RPRT
TI  - Yeast vectors with negative selection.
AU  - P A Brown
AU  - J W Szostak
PY  - 1983
DO  - 10.1016/0076-6879(83)01021-6
UR  - https://pubmed.ncbi.nlm.nih.gov/6310330/
ID  - 6310330
ER  -