PT - JOURNAL ARTICLE AU - D. J. Pereira Gray TI - DIRECTORY OF POSTGRADUATE MEDICAL CENTRES DP - 1978 May 01 TA - The Journal of the Royal College of General Practitioners PG - 311--311 VI - 28 IP - 190 4099 - http://bjgp.org/content/28/190/311.2.short 4100 - http://bjgp.org/content/28/190/311.2.full SO - J R Coll Gen Pract1978 May 01; 28