共 50 条
- [29] DIHYDROPTERIDINE REDUCTASE FROM ESCHERICHIA-COLI EXHIBITS DIHYDROFOLATE-REDUCTASE ACTIVITY BIOLOGICAL CHEMISTRY HOPPE-SEYLER, 1992, 373 (10): : 1067 - 1073
- [30] ASSOCIATION OF INCREASED DIHYDROFOLATE REDUCTASE LEVELS AND CHROMOSOME ALTERATION IN AMETHOPTERIN-RESISTANT SUBLINES OF LEUKEMIA L1210 JNCI-JOURNAL OF THE NATIONAL CANCER INSTITUTE, 1963, 31 (03): : 557 - +