RT Journal Article SR Electronic T1 THE WATER-BINDING OF THE OPTIC NERVE AND OF ITS SHEATHS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 204 OP 213 DO 10.1136/bjo.20.4.204 VO 20 IS 4 A1 J. A. van Heuven A1 P. F. Fischer YR 1936 UL http://bjo.bmj.com/content/20/4/204.abstract AB