PT - JOURNAL ARTICLE AU - Irwin Streiff TI - JAMES MACKENZIE LECTURE DP - 1974 Sep 01 TA - The Journal of the Royal College of General Practitioners PG - 635--635 VI - 24 IP - 146 4099 - http://bjgp.org/content/24/146/635.2.short 4100 - http://bjgp.org/content/24/146/635.2.full SO - J R Coll Gen Pract1974 Sep 01; 24