RADIOGRAPHIC EVALUATION OF THE USE OF XENOGENEIC GRAFT IN THE TREATMENT OF SCOLIOSIS oleh JORGE RAFAEL DURIGAN, RAFAEL MORAES TRINCADO, FELIPE NEVES SIMÕES MONTEIRO, JOÃO TOMÁS FERNANDES CASTILHO GARCIA, MURILO ALEXANDRE, RODRIGO GÓES MEDEA DE MENDONÇA, ALBERTO OFENHEJM GOTFRYD, MARIA FERNANDA SILBER CAFFARO, ROBERT MEVES