RT Journal Article SR Electronic T1 Kerato-Conjunctivitis Sicca and the Collagen Diseases JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 416 OP 420 DO 10.1136/bjo.40.7.416 VO 40 IS 7 A1 J. H. Ramage A1 W. F. Kinnear YR 1956 UL http://bjo.bmj.com/content/40/7/416.abstract AB