PT - JOURNAL ARTICLE ED - , TI - Clinical investigation by means of haematology DP - 1970 Sep 01 TA - The Journal of the Royal College of General Practitioners PG - 182--182 VI - 20 IP - 98 4099 - http://bjgp.org/content/20/98/182.2.short 4100 - http://bjgp.org/content/20/98/182.2.full SO - J R Coll Gen Pract1970 Sep 01; 20