G. Tsoucalas, M. Karamanou, A. A. Kousoulis, and G. Androutsos, “Democritus (460-370 BC) on Embryology, Anatomy and Pediatrics: the unknown aspects of the Greek atomic scientist”, Ital J Anat Embryol, vol. 1, no. 3, pp. 199–204, Dec. 2012.