(Q48039408)
Statements
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A positive selection vector for cloning of long polymerase chain reaction fragments based on a lethal mutant of the crp gene of Escherichia coli (English)
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Schlieper D
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von Wilcken-Bergmann B
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Schmidt M
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Sobek H
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Müller-Hill B
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1 March 1998
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257
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2
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203-209
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