Kiul'ian G.M. (1969) Effect of some methylated compounds on the development of vitamin B 12 deficiency. Voprosy Meditsinskoi Khimii, 15(4), 386-389.

et al. Effect of some methylated compounds on the development of vitamin B 12 deficiency // Voprosy Meditsinskoi Khimii. - 1969. - V. 15. -N 4. - P. 386-389.

et al., "Effect of some methylated compounds on the development of vitamin B 12 deficiency." Voprosy Meditsinskoi Khimii 15.4 (1969): 386-389.

Kiul'ian, G. M. (1969). Effect of some methylated compounds on the development of vitamin B 12 deficiency. Voprosy Meditsinskoi Khimii, 15(4), 386-389.