共 5 条
- [1] GARAPIN FC, 1981, J MOL BIOL, V150, P1
- [3] SELECTION FOR ANIMAL-CELLS THAT EXPRESS THE ESCHERICHIA-COLI GENE CODING FOR XANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1981, 78 (04): : 2072 - 2076
- [4] TRANSFORMATION OF MOUSE FIBROBLASTS TO METHOTREXATE RESISTANCE BY A RECOMBINANT PLASMID EXPRESSING A PROKARYOTIC DIHYDROFOLATE-REDUCTASE [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1981, 78 (03): : 1527 - 1531