| 摘要 |
A selected substance is dissolved into a given injectable fluid medication having an initial clear visual appearance. The selected substance is selected from a group of substances which, when dissolved in the injectable fluid medication, will alter the clear appearance to produce a non-clear or altered visual appearance. The altered visual appearance could be a color, which, by code, identifies the given injectable fluid medication, and distinguishes the given injectable fluid medication from a different injectable fluid medication, the clear visual appearance of which has been altered by dissolving another selected substance to produce a colored visual appearance different from the color of the altered visual appearance of the given injectable fluid medication.
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