Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TREW DR,Postural studies in pulsatile ocular blood flow : I. Ocular hypertension and normotension,Br J Ophthalmol,,,1991,75,,66-70,https://cir.nii.ac.jp/crid/1570854175838661632,