Alves da Silva, ML, Costa-Pinto A. R., Correlo V. M., Sol P. C., Bhattacharya M., Faria S., Reis R. L., and Neves N. M.,  "Influence of conditioned medium over the chondrogenic differentiation of adult stem cells in 3D co-cultures with articular chondrocytes",  Histology and Histopathology, supplement 11, vol. 26, pp. 77, 2011.