Early differentation of lamellar structure of the intervertebral disc in staged human embryos (W. Woźniak, M. Grzymisławska, J. Łupicka, M. Bruska, A. Piotrowski, A. Gałązka, M. Rojewska, & J. Sobański , Trans.). (2015). Journal of Medical Science, 84(3), 157-166. https://doi.org/10.20883/medical.e13