Battistelli, M., M. Favero, D. Burini, G. Trisolino, D. Dallari, L. De Franceschi, G. Filardo, B. Grigolo, and E. Olivotto. “Ultrastructural Analysis of Articular Structures of Normal and Pathological Human Knee”. Italian Journal of Anatomy and Embryology, vol. 123, no. 1, Dec. 2018, p. 13, doi:10.13128/ijae-11295.