Nutritional supplement for use in serological diagnostics. The preparation consists of rabbit erythrocytes obtained by centrifugation and concentration from defibrinated and reoxygenated rabbit blood, with the addition of modified Alsever’s solution.

Nutritional supplement for use in serological diagnostics. The preparation consists of sheep erythrocytes obtained by centrifugation and concentration from defibrinated and reoxygenated sheep blood, with the addition of modified Alsever’s solution.