Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic, Size: 13*75 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic Size: 16*100 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic, Size: 13*75 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic, Size: 13*75 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic, Size: 13*75 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic Size: 16*100 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic Size: 16*100 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic Size: 16*100 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic Size: 16*100 mm; vacuum volume Vacuum tubes for venous blood sampling CORVAY with sodium fluoride and potassium oxalate, plastic, Size: 13*75 mm; vacuum volume