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https://en.gongdong.com/products/edta-tube/

EDTA Tube
Golden VacTM vacuum purple top EDTA tubes ( Lavender or Purple Top) contain EDTA as an anticoagulant and are widely used for determinations in EDTA whole blood clinical hematology tests, especially for a routine blood examination. Lavender top EDTA tube is one kind of whole blood collection tube.
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