@inproceedings{inproceedings301b674c, title = {Study of the protein expression of the matrix metalloproteinase (MMP-1, -2, -3, -9 and -14) in tumors from ewing family and medulloblastoma of children and adolescents}, author = {Mateo, Elvis Cristian Cueva and Queiroz, Rosane Gomes de Paula and Scrideli, Carlos Alberto and Tone, Luiz Gonzaga}, year = {2006}, booktitle = {Annual Conference of the International Society of Paediatric Oncology (SIOP} }