title: Ultrasound velocity in heavy ocular tamponade agents and implications for biometry.
authors.affiliation: Department of Ophthalmology, Grampian University Hospitals NHS Trust, Aberdeen AB25 2ZN, UK. rehman.siddiqui@gmail.com
authors.forename: M A Rehman
authors.initials: MA
authors.lastname: Siddiqui
authors.forename: M Amer
authors.initials: MA
authors.lastname: Awan
authors.forename: Andrew
authors.initials: A
authors.lastname: Fairhead
authors.forename: Hatem
authors.initials: H
authors.lastname: Atta