共 50 条
- [6] PURIFICATION AND PROPERTIES OF DIHYDROFOLATE-REDUCTASE FROM METHOTREXATE-SENSITIVE AND METHOTREXATE-RESISTANT CHINESE-HAMSTER OVARY CELLS CANADIAN JOURNAL OF BIOCHEMISTRY, 1977, 55 (04): : 445 - 452
- [10] AMPLIFICATION OF THE DIHYDROFOLATE-REDUCTASE GENE IN METHOTREXATE-RESISTANT CHINESE-HAMSTER CELLS MUTATION RESEARCH, 1992, 276 (03): : 179 - 187