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No additive, silicone coated tubes. Laboratory procedures requiring serum-general chemistry and serology procedures. Sterile tube interior.
Gel placement for improved performance and more sample yield. Laboratory procedures requiring serum with a positive gel barrier between blood cells and serum-general chemistry, serology and toxicology procedures. TDM compatible. Can be used with both angle-had and horizontal-head centrifuges. Sterile tube interior.
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