TY - JOUR A1 - Kapahtia, R T1 - Letter Y1 - 1988/1/1 JF - Indian Journal of Ophthalmology JO - Indian J Ophthalmol SP - 59 EP - 59 VL - 36 IS - 1 UR - https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=1988;volume=36;issue=1;spage=59;epage=59;aulast=Kapahtia N2 - ER -