RT Journal Article SR Electronic T1 Long term efficacy and safety of botulinum toxin A injection for crocodile tears syndrome JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 588 OP 589 DO 10.1136/bjo.2003.029181 VO 88 IS 4 A1 BaraƱano, D E A1 Miller, N R YR 2004 UL http://bjo.bmj.com/content/88/4/588.abstract AB