PT - JOURNAL ARTICLE AU - G.H. Barnes TI - Letters DP - 1989 Jun 01 TA - The Journal of the Royal College of General Practitioners PG - 259--259 VI - 39 IP - 323 4099 - http://bjgp.org/content/39/323/259.5.short 4100 - http://bjgp.org/content/39/323/259.5.full SO - J R Coll Gen Pract1989 Jun 01; 39