TY  - RPRT
TI  - Positive selection vectors based on xylose utilization suppression.
AU  - P E Stevis
AU  - N W Ho
PY  - 1987
DO  - 10.1016/0378-1119(87)90249-6
UR  - https://pubmed.ncbi.nlm.nih.gov/3305172/
ID  - 3305172
ER  -