RT Journal Article SR Electronic T1 Blowout fracture of the orbit. Diagnosis and treatment. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 90 OP 98 DO 10.1136/bjo.54.2.90 VO 54 IS 2 A1 S Lerman YR 1970 UL http://bjo.bmj.com/content/54/2/90.abstract AB