Tsvetkova I.V., Kozina A.B. (1974) Detection of carriers of Tay-Sachs disease by determining blood N-acetylhexosaminadase A activity. Voprosy Meditsinskoi Khimii, 20(6), 631-634.

Tsvetkova I.V. et al. Detection of carriers of Tay-Sachs disease by determining blood N-acetylhexosaminadase A activity // Voprosy Meditsinskoi Khimii. - 1974. - V. 20. -N 6. - P. 631-634.

Tsvetkova I.V. et al., "Detection of carriers of Tay-Sachs disease by determining blood N-acetylhexosaminadase A activity." Voprosy Meditsinskoi Khimii 20.6 (1974): 631-634.

Tsvetkova, I. V., Kozina, A. B. (1974). Detection of carriers of Tay-Sachs disease by determining blood N-acetylhexosaminadase A activity. Voprosy Meditsinskoi Khimii, 20(6), 631-634.