RT Journal Article SR Electronic T1 Exotropia as a sign of myasthenia gravis in dysthyroid ophthalmopathy. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 822 OP 823 DO 10.1136/bjo.77.12.822 VO 77 IS 12 A1 M E Vargas A1 F A Warren A1 M J Kupersmith YR 1993 UL http://bjo.bmj.com/content/77/12/822.abstract AB