Avdeev V.G. (1977) Methods of determining protein concentration. Voprosy Meditsinskoi Khimii, 23(4), 562-571.
et al. Methods of determining protein concentration // Voprosy Meditsinskoi Khimii. - 1977. - V. 23. -N 4. - P. 562-571.
et al., "Methods of determining protein concentration." Voprosy Meditsinskoi Khimii 23.4 (1977): 562-571.
Avdeev, V. G. (1977). Methods of determining protein concentration. Voprosy Meditsinskoi Khimii, 23(4), 562-571.