Khramov V.A., Galaev Yu.V. (1969) Thiosemicarbazide modification of the Firone reaction and its use for carbamide determination. Voprosy Meditsinskoi Khimii, 15(4), 435-439.

Khramov V.A. et al. Thiosemicarbazide modification of the Firone reaction and its use for carbamide determination // Voprosy Meditsinskoi Khimii. - 1969. - V. 15. -N 4. - P. 435-439.

Khramov V.A. et al., "Thiosemicarbazide modification of the Firone reaction and its use for carbamide determination." Voprosy Meditsinskoi Khimii 15.4 (1969): 435-439.

Khramov, V. A., Galaev, Yu. V. (1969). Thiosemicarbazide modification of the Firone reaction and its use for carbamide determination. Voprosy Meditsinskoi Khimii, 15(4), 435-439.