Kushko I.V., Konikov A.P., Shcheglova A.S. (1958) Purification and crystallization of erythrogenic scarlet fever toxin. Voprosy Meditsinskoi Khimii, 4(1), 33-38.

Kushko I.V. et al. Purification and crystallization of erythrogenic scarlet fever toxin // Voprosy Meditsinskoi Khimii. - 1958. - V. 4. -N 1. - P. 33-38.

Kushko I.V. et al., "Purification and crystallization of erythrogenic scarlet fever toxin." Voprosy Meditsinskoi Khimii 4.1 (1958): 33-38.

Kushko, I. V., Konikov, A. P., Shcheglova, A. S. (1958). Purification and crystallization of erythrogenic scarlet fever toxin. Voprosy Meditsinskoi Khimii, 4(1), 33-38.