Silva-Correia J., Oliveira J. M., Caridade S. G., Oliveira J. T., Sousa R. A., Mano J. F., and Reis R. L.,  "Injectable Gellan gum-based hydrogels for intervertebral disc regeneration",  Histology and Histopathology, vol. 26, issue supplement1, pp. 197, 2011.