共 4 条
[2]
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]
SOUTHERN P J, 1982, Journal of Molecular and Applied Genetics, V1, P327