RT Journal Article SR Electronic T1 SYMPTOMATIC EPIPHORA JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 415 OP 434 DO 10.1136/bjo.43.7.415 VO 43 IS 7 A1 Jacobs, H. Basil YR 1959 UL http://bjo.bmj.com/content/43/7/415.abstract AB