RT Journal Article SR Electronic T1 Influence of Local Ascorbic Acid Concentration on Collagenous Tissue Healing in the Cornea JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 204 OP 214 DO 10.1136/bjo.39.4.204 VO 39 IS 4 A1 T. A. S. Boyd YR 1955 UL http://bjo.bmj.com/content/39/4/204.abstract AB