RT Journal Article SR Electronic T1 CONFUSION OF COLOUR VISION JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 796 OP 796 VO 24 IS 148 A1 Miles, D. P. B. YR 1974 UL http://bjgp.org/content/24/148/796.3.abstract AB