%0 Journal Article %A H R Atta %T High frequency ultrasound. %D 1995 %R 10.1136/bjo.79.11.967 %J British Journal of Ophthalmology %P 967-968 %V 79 %N 11 %U https://bjo.bmj.com/content/bjophthalmol/79/11/967.full.pdf