Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Michael L. Slavin,Isolated Trochlear Nerve Palsy Secondary to Cavernous Sinus Meningioma,American Journal of Ophthalmology,0002-9394,Elsevier BV,1987-10,104,4,433-434,https://cir.nii.ac.jp/crid/1363107368313212672,https://doi.org/10.1016/0002-9394(87)90245-5