“ESTABLISHMENT OF PARAOXONASE AND ARYLESTERASE ACTIVITY OF PARAOXONASE 1 (PON1) IN DEPENDENCE ON 55(L M) AND 192(Q R) DNA POLYMORPHISM IN ADULT PEOPLE WITH DOWN SYNDROME”. 2010. Journal of Special Education and Rehabilitation 11 (1-2): 103-13. https://doi.org/10.2478/.