Kaftanov A.Z., Semidotskaia Z.D., Kondratskaia L.V. (1972) Determination of the concentration of ammonia in urine. Voprosy Meditsinskoi Khimii, 18(3), 324-328.

Kaftanov A.Z. et al. Determination of the concentration of ammonia in urine // Voprosy Meditsinskoi Khimii. - 1972. - V. 18. -N 3. - P. 324-328.

Kaftanov A.Z. et al., "Determination of the concentration of ammonia in urine." Voprosy Meditsinskoi Khimii 18.3 (1972): 324-328.

Kaftanov, A. Z., Semidotskaia, Z. D., Kondratskaia, L. V. (1972). Determination of the concentration of ammonia in urine. Voprosy Meditsinskoi Khimii, 18(3), 324-328.