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Each probe contains information about:

• the Probe(id, name), and
• the Gene (id, acronym, name, entrez-id), along with
• a vector of normalized expression values in the same order as the "samples" array.
• a vector of z-score values in the same order as the "samples" array. Note: z-score is computed independently for each probe over all donors and samples.

Each sample contains information about:

• the Donor (id, name, age),
• the Sample (well id and (x,y,z) coordinate in the MR volume in millimeters),
• the associated Structure (id, name, acronym and color), and
• the associated top (coarse) level Structure (id, name, acronym and color).

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