RT Journal Article SR Electronic T1 GOLD MEDAL ESSAY JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 697 OP 698 VO 27 IS 184 A1 H. W. Ashworth YR 1977 UL http://bjgp.org/content/27/184/697.4.abstract AB