TY  - RPRT
TI  - Improved expression vectors for eukaryotic promoter/enhancer studies.
AU  - J L Fridovich-Keil
AU  - J M Gudas
AU  - I B Bryan
AU  - A B Pardee
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/1725108/
ID  - 1725108
ER  -