A product review for sterile India ink from PERMARK.
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D002244:Carbon; D004396:Coloring Agents / Q000592:standards*; D004724:Endoscopy; D006801:Humans; D014481:United States; D014486:United States Food and Drug Administration / Q000592:standards*
D004396:Coloring Agents; C028433:chinese ink; D002244:Carbon