Becton-Dickinson - Vacutainer Tube - 2.7ml Plastic Citrate Tube Light Blue Stopper With Additives, 100 Units / 1 unit

13 x 75 mm, 2.7 mL BD Vacutainerr Plus plastic citrate tube. Lt. blue BD HemogardT closure. Paper label. Additive: 0.109 Molar / 3.2% Sodium citrate. (100/sp, 1000/ca) - Prevent platelet activation due to Headspace effect- APTT result on UFH patients equivalent to coated glass