Rashkovan B.A., Letkina N.P. (1960) Changes of the concentration of urea in the blood under the influence of urea loads. Voprosy Meditsinskoi Khimii, 6(2), 121-127.

Rashkovan B.A. et al. Changes of the concentration of urea in the blood under the influence of urea loads // Voprosy Meditsinskoi Khimii. - 1960. - V. 6. -N 2. - P. 121-127.

Rashkovan B.A. et al., "Changes of the concentration of urea in the blood under the influence of urea loads." Voprosy Meditsinskoi Khimii 6.2 (1960): 121-127.

Rashkovan, B. A., Letkina, N. P. (1960). Changes of the concentration of urea in the blood under the influence of urea loads. Voprosy Meditsinskoi Khimii, 6(2), 121-127.