PT - JOURNAL ARTICLE AU - Illingworth, D. G. TI - Postgraduate medicine DP - 1973 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 216--216 VI - 23 IP - 128 4099 - http://bjgp.org/content/23/128/216.2.short 4100 - http://bjgp.org/content/23/128/216.2.full SO - J R Coll Gen Pract1973 Mar 01; 23