PT - JOURNAL ARTICLE AU - H.A.F. Mackay TI - Letters DP - 1987 Apr 01 TA - The Journal of the Royal College of General Practitioners PG - 181--181 VI - 37 IP - 297 4099 - http://bjgp.org/content/37/297/181.1.short 4100 - http://bjgp.org/content/37/297/181.1.full SO - J R Coll Gen Pract1987 Apr 01; 37