Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kanazawa Chigiri,A Case of Sylvian Aqueduct Syndrome Caused by Intra-Fourth Ventricle Tumor,Practica Oto-Rhino-Laryngologica,00326313,The Society of Practical Otolaryngology,1979,72,11,1451-1456,https://cir.nii.ac.jp/crid/1390282679245406720,https://doi.org/10.5631/jibirin.72.1451