Serological Technique: Technique of Testing Blood with Human Testing Sera. Addendum

or anti D, (it) anti-Rh' or antirC, and (Hi) antiRh" or anti-E. According to the latest modification in the nomenclature the designation should be anti-Rh0, anti-rh' and anti-rh".] One standard drop of each serum is put into its appropriate compartment. Then a standard drop of the rbc suspension is added. The drops are mixed with the rounded ends of glass rods. The slides are placed in the moist chamber and left in the incubator for 1 hour. Every 15 minutes or so the fluid is agitated by moving the moist chamber in the usual way. Results are read at the end of 1 hour. They are clear cut as a rule. A hand lens or even a microscope may be needed at times. The small quantity of blood in each compartment of a slide does