RT Journal Article SR Electronic T1 Congenital dacryocystocele JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr2016218029 DO 10.1136/bcr-2016-218029 VO 2016 A1 Pujari, Amar YR 2016 UL http://casereports.bmj.com/content/2016/bcr-2016-218029.abstract AB