L. V. Abdul-Ogly, A. A. Kozlovskaja, V. G. Rutgayzer, Dubovik К. I., and Belskaya Е. О., “Morphometric parameters of the umbilical cord within the standart at infringenment of the formation of the placenta”., Morphologia, vol. 10, no. 3, pp. 53–56, Sep. 2016.