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. 1980 Mar 1;102(2):423-8.
doi: 10.1016/0003-2697(80)90177-3.

Preparative separation of DNA--ethidium bromide complexes by zonal density gradient centrifugation

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Preparative separation of DNA--ethidium bromide complexes by zonal density gradient centrifugation

M R El-Gewely et al. Anal Biochem. .
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