PT - JOURNAL ARTICLE AU - E. R. Blay TI - The use of an addressography system in general practice. DP - 1972 Sep 01 TA - The Journal of the Royal College of General Practitioners PG - 639--642 VI - 22 IP - 122 4099 - http://bjgp.org/content/22/122/639.short 4100 - http://bjgp.org/content/22/122/639.full SO - J R Coll Gen Pract1972 Sep 01; 22