High prevalence of intracranial arterial stenosis among acute ischemic stroke patients in a Brazilian center: a transcranial color-coded duplex sonography study. - Rocha LJA; Zotin MCZ; Santos RDSA; Libardi MC; Camilo MR; Barreira CMA; Pinto PTC; Mazim SC; Abud DG; Pontes Neto OM (Arquivos de neuro-psiquiatria, 2024)