Text ( visual ) : unmediated Dementia / edited by Alistair Burns and Raymond Levy. -- London : Chapman & Hall Medical , 1994. -- xix, 874 p ; 26 cm. -- ISBN 0412547406 ; (BA21734061) ; https://ci.nii.ac.jp/ncid/BA21734061 Author Heading(s): Burns, Alistair S. ; Levy, Raymond. -- Classification(s): DC20 : 616.89 ; LCC : RC521. -- Subject Heading(s): MESH : Dementia ; LCSH : Dementia