Plastic 4ml Serum Sample Tubes with Red Cap These tubes are marked with the acronym CAT (Clot Activator Tube)

https://www.c2asalesandsupplies.com/shop/ca468975-plastic-4ml-serum-sample-tubes-with-red-cap-these-tubes-are-marked-with-the-acronym-cat-clot-activator-tube-7952 https://www.c2asalesandsupplies.com/web/image/product.template/7952/image_1920?unique=e89aa35

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