Red cell isoenzyme polymorphism in the East Slovakian population.

The population of East Slovakia was studied for the following red cell isoenzymes: acid phosphatase (ACP), phosphoglucomutase (PGM), adenosine deaminase (ADA) and esterase D (ESD). The gene frequencies observed were as follows: ACP1*A = 0.3330, ACP1*B = 0.