PT - JOURNAL ARTICLE ED - , TI - Animal, Vegetable and Mineral DP - 1963 Nov 01 TA - The Journal of the College of General Practitioners PG - 513--515 VI - 6 IP - 4 4099 - http://bjgp.org/content/6/4/513.short 4100 - http://bjgp.org/content/6/4/513.full SO - J Coll Gen Pract1963 Nov 01; 6