To effect normalization.
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nor·mal·ize or Brit nor·mal·ise 'nȯr-mə-.līz vt, -ized or Brit -ised; -iz·ing or Brit -is·ing to make conform to or reduce to a norm or standard <\normalize blood pressure>
nor·mal·iza·tion or Brit nor·mal·isa·tion .nȯr-mə-lə-'zā-shən n
Medical dictionary. 2011.