Additional file 6.

Dendrogram of osteosarcoma biopsies, xenografts, and cell lines. Hierarchical unsupervised clustering on all biopsies, xenografts, and cell lines was performed with R function hclust from the R package stats, using the Euclidian distance, and 1/10th of all probes with the highest variation. We used the Radial Cladogram option in the software Dendroscope http://www.dendroscope.org webcite to visualize the results. A Distribution of the different sample types, B distribution of the different histological subtypes.

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Kuijjer et al. BMC Medical Genomics 2011 4:66   doi:10.1186/1755-8794-4-66