Dysphagia due to Ossification of the Anterior Longitudinal Ligament(OALL). -Report of an operative case-. Aiyama Hitoshi 13th APCSS/2019-11-8--2019-11-9
A postoperative complication case of Spinal High Grade Glioma. -Anticoagulation management of Venous Thromboembolism (VTE)-. Aiyama Hitoshi The 10th ASIA SPINE 2019/2019-9-19--2019-9-21
Complications after stereotactic radiosurgery for brain metastases: Radiological findings and Treatments. Aiyama Hitoshi 2019 WFNS/2019-9-9--2019-9-12