F. Marchegiani, L. Centurione, M. A. Centurione, A. Lichtler, I. Kalajzic, and R. Di Pietro, “Engraftment of human amniotic fluid stem cells (AFSCs) in calvarial bone of immunodeficient mice”, Ital J Anat Embryol, vol. 119, no. 1, p. 123, Mar. 2015.