Value of 3D-TOF MR angiography and 4D-dynamic contrast-enhanced MRI in the assessment of spontaneous posterior cavernous sinus dural arteriovenous fistula - Francisco Bermal CAPARROZ NETO; Lucas Giansante ABUD; Rafael Gouveia Gomes de OLIVEIRA; Daniel Giansante ABUD; Soraia Ramos Cabete FABIO (Arquivos de Neuro-Psiquiatria)