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. 2005 Oct 4;33(17):5565–5573. doi: 10.1093/nar/gki844

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© The Author 2005. Published by Oxford University Press. All rights reserved

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The lowess curves of |M| versus A values by various normalization methods. Gray: no normalization; black: sub-sub; red: quantiles; green: constant; purple: contrasts; blue: invariant-set; orange: lowess; cyan: qspline.