RT Journal Article SR Electronic T1 Radiologic Recognition of Orbital Dacryops JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP S89 OP S90 VO 10 IS 5 suppl A1 Barrett G. Haik A1 Leslie St. Louis YR 1989 UL http://www.ajnr.org/content/10/5_suppl/S89.abstract AB