Rossini, M., P. Piscitelli, F. Fitto, P. Camboa, A. Angeli, G. Guida, and S. Adami. 2005. “Incidence and Socioeconomic Burden of Hip Fractures in Italy”. Reumatismo 57 (2):97-102. https://doi.org/10.4081/reumatismo.2005.97.