Incorporation of Tritiated Actinomycin D into Drug-Sensitive and Drug-Resistant HeLa Cells

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Science  25 Mar 1966:
Vol. 151, Issue 3717, pp. 1555-1556
DOI: 10.1126/science.151.3717.1555


HeLa cells, sensitive and resistant to actinomycin D, were treated with the tritiated antibiotic; only the nuclei of the drug-sensitive cells incorporated the tritium.

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