PT - JOURNAL ARTICLE AU - J. S. Patterson TI - How many drugs do I use? DP - 1972 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 191--194 VI - 22 IP - 116 4099 - http://bjgp.org/content/22/116/191.short 4100 - http://bjgp.org/content/22/116/191.full SO - J R Coll Gen Pract1972 Mar 01; 22