Use this option to specify a custom reference line for the alanine transaminase test (ALT) and aspartate transaminase test (AST) to be drawn on the Hy’s Law plot.
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Check the Set custom reference lines for Hy’s Law plots box to enable this option.Tip: To change the scale of the slider, right-click on the slider and select from the pop-up menu. Change the upper or lower boundaries in the that appears, to rescale the slider and click .