Expression of an E.coli O6-alkylguanine DNA alkyltransferase gene in Chinese hamster cells protects against N-methyl and N-ethylnitrosourea induced reverse mutation at the hypoxanthine phosphoribosyl transferase locus
1987 ◽
Vol 188
(4)
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pp. 301-306
1975 ◽
Vol 28
(2)
◽
pp. 239-250
◽
1975 ◽
Vol 30
(1)
◽
pp. 143-148
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