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Credit
Thymine Deficiency and the Deoxyribonucleic Acid Replication Cycle in Thymine Auxotrophs of Escherichia coli - Maaloe and Hanawalt. In copyright. Source: Wellcome Collection.
Provider
The original material is held at Cold Spring Harbor Laboratory Library and Archives. This catalogue is held by the Wellcome Library as part of Codebreakers: Makers of Modern Genetics.