PT - JOURNAL ARTICLE ED - , TI - Dr Pereira Gray replies as follows DP - 1980 Aug 01 TA - The Journal of the Royal College of General Practitioners PG - 502--502 VI - 30 IP - 217 4099 - http://bjgp.org/content/30/217/502.1.short 4100 - http://bjgp.org/content/30/217/502.1.full SO - J R Coll Gen Pract1980 Aug 01; 30