RT Journal Article SR Electronic T1 Colour Coding of Medical Records JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 63 OP 63 VO 34 IS 258 A1 Idris Humphreys YR 1984 UL http://bjgp.org/content/34/258/63.1.abstract AB