For citations:
Botasheva T.L., Khloponina A.V., Vasil'eva V.V., Zavodnov O.P., Kaushanskaya L.V., Zheleznyakova E.V. Seasonal periodicity of melatonin exchange and hormonal status of pregnant women in dependence on fetus sex. Medical Herald of the South of Russia. 2018;9(3):70-76. (In Russ.) https://doi.org/10.21886/2219-8075-2018-9-3-70-76