Pogorelova T.N. (1970) Free amio acid cncentration in the placenta, umbilical cord blood and venous blood in women during premature labor. Voprosy Meditsinskoi Khimii, 16(4), 339-342.

et al. Free amio acid cncentration in the placenta, umbilical cord blood and venous blood in women during premature labor // Voprosy Meditsinskoi Khimii. - 1970. - V. 16. -N 4. - P. 339-342.

et al., "Free amio acid cncentration in the placenta, umbilical cord blood and venous blood in women during premature labor." Voprosy Meditsinskoi Khimii 16.4 (1970): 339-342.

Pogorelova, T. N. (1970). Free amio acid cncentration in the placenta, umbilical cord blood and venous blood in women during premature labor. Voprosy Meditsinskoi Khimii, 16(4), 339-342.