Atlas Anti-A, Anti-B and Anti-AB reagents (here under referred to as ABO reagents) are used for qualitative in-vitro determination of human blood groups of the ABO system to determine the blood type. Anti-D reagent is used for the qualitative determination of Rhesus factor on human blood groups. ABO SET ( Anti-A ( 1/256) Anti B ( 1/256) Anti AB ( 1/256) Anti D (1/64) 4 x 10 ml = 1 box 1. Each vial from blood grouping contains 10 ml, and these 10 ml can do 200 test slide methods. 2. Each vials from RH contain 10 ml, and these 10 ml can do 200 test slide methods. 3. The test are performed on a regular microscopic slide.