journal "Morphologia", E. office of. Review Boichuk NV Et al., Authors; Ulumbekov EG, Chelyshev YuA, Editors. Gistologiya. Embriologiya. Tsitologiya [Histology. Embryology. Cytology]: Textbook. Ed. 4th, Revised and Additional. Moscow: GEOTAR-Media; 2016. 927 P. Russian. Morphologia 2017, 11, 87.