2021-09-23 SYMTAS 2021. IV International Symposium Mechanical Thrombectomy in Acute Stroke Therapy SYMTAS 2021. IV International Symposium Mechanical Thrombectomy in Acute Stroke Therapy 23 septiembre, 2021 - 24 septiembre, 2021 SYMTAS 2021. IV International Symposium Mechanical Thrombectomy in Acute Stroke Therapy