共 14 条
[11]
Schauer R, 1978, Methods Enzymol, V50, P64
[12]
ISOLATION OF CHINESE-HAMSTER CELL MUTANTS DEFICIENT IN DIHYDROFOLATE-REDUCTASE ACTIVITY
[J].
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES,
1980, 77 (07)
:4216-4220
[14]
1984, LYMPHOKINE RES, V4, P193