PT - JOURNAL ARTICLE ED - , TI - How many patients? DP - 1977 Jan 01 TA - The Journal of the Royal College of General Practitioners PG - 3--3 VI - 27 IP - 174 4099 - http://bjgp.org/content/27/174/3.short 4100 - http://bjgp.org/content/27/174/3.full SO - J R Coll Gen Pract1977 Jan 01; 27