RT Journal Article SR Electronic T1 COPIES OF REFERRAL LETTERS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 189 OP 189 VO 30 IS 212 A1 Clive Richards YR 1980 UL http://bjgp.org/content/30/212/189.1.abstract AB