Garkina I.N. (1962) Pangamic acid (vitamin B-15), its nature, properties and production. Voprosy Meditsinskoi Khimii, 8(3), 236-238.

et al. Pangamic acid (vitamin B-15), its nature, properties and production // Voprosy Meditsinskoi Khimii. - 1962. - V. 8. -N 3. - P. 236-238.

et al., "Pangamic acid (vitamin B-15), its nature, properties and production." Voprosy Meditsinskoi Khimii 8.3 (1962): 236-238.

Garkina, I. N. (1962). Pangamic acid (vitamin B-15), its nature, properties and production. Voprosy Meditsinskoi Khimii, 8(3), 236-238.