Tsvetkova I.V. (1961) Neuraminic acid and its significance in the organism. Voprosy Meditsinskoi Khimii, 7(1), 3-16.

et al. Neuraminic acid and its significance in the organism // Voprosy Meditsinskoi Khimii. - 1961. - V. 7. -N 1. - P. 3-16.

et al., "Neuraminic acid and its significance in the organism." Voprosy Meditsinskoi Khimii 7.1 (1961): 3-16.

Tsvetkova, I. V. (1961). Neuraminic acid and its significance in the organism. Voprosy Meditsinskoi Khimii, 7(1), 3-16.