RT Journal Article SR Electronic T1 Mercurialentis JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 234 OP 235 DO 10.1136/bjo.37.4.234 VO 37 IS 4 A1 Donald Hunter A1 Arthur Lister YR 1953 UL http://bjo.bmj.com/content/37/4/234.abstract AB