Ogata, D., R. Moreira, A. Gomes, E. Pereira Neto, D. Sezerino, and M. Hirano. “Osteosarcoma With Atypical Location in an Elderly Female Patient”. Autopsy and Case Reports, Vol. 1, no. 4, Dec. 2011, pp. 45-49, doi:10.4322/acr.%y.26075.