TY - RPRT TI - Efficient selection for high-expression transfectants with a novel eukaryotic vector. AU - H Niwa AU - K Yamamura AU - J Miyazaki PY - 1991 DO - 10.1016/0378-1119(91)90434-d UR - https://pubmed.ncbi.nlm.nih.gov/1660837/ ID - 1660837 ER -