Kruglov E.N. (1967) Changes in blood serum protein levels in normal pregnancy and labour, and in the postpartum and lactation periods. Voprosy Meditsinskoi Khimii, 13(3), 247-250.

et al. Changes in blood serum protein levels in normal pregnancy and labour, and in the postpartum and lactation periods // Voprosy Meditsinskoi Khimii. - 1967. - V. 13. -N 3. - P. 247-250.

et al., "Changes in blood serum protein levels in normal pregnancy and labour, and in the postpartum and lactation periods." Voprosy Meditsinskoi Khimii 13.3 (1967): 247-250.

Kruglov, E. N. (1967). Changes in blood serum protein levels in normal pregnancy and labour, and in the postpartum and lactation periods. Voprosy Meditsinskoi Khimii, 13(3), 247-250.