Efimochkina E.F. (1958) Combined method of isolation of amino acids from small quantities of hydrolyzed proteins. Voprosy Meditsinskoi Khimii, 4(4), 309-314.

et al. Combined method of isolation of amino acids from small quantities of hydrolyzed proteins // Voprosy Meditsinskoi Khimii. - 1958. - V. 4. -N 4. - P. 309-314.

et al., "Combined method of isolation of amino acids from small quantities of hydrolyzed proteins." Voprosy Meditsinskoi Khimii 4.4 (1958): 309-314.

Efimochkina, E. F. (1958). Combined method of isolation of amino acids from small quantities of hydrolyzed proteins. Voprosy Meditsinskoi Khimii, 4(4), 309-314.