PT - JOURNAL ARTICLE AU - R.V. Singer TI - Letters DP - 1988 Jul 01 TA - The Journal of the Royal College of General Practitioners PG - 327--327 VI - 38 IP - 312 4099 - http://bjgp.org/content/38/312/327.3.short 4100 - http://bjgp.org/content/38/312/327.3.full SO - J R Coll Gen Pract1988 Jul 01; 38