PT - JOURNAL ARTICLE AU - Barnett, Bernard R. TI - DEFINING PARADIGM DP - 1980 Mar 01 TA - The Journal of the Royal College of General Practitioners PG - 187--187 VI - 30 IP - 212 4099 - http://bjgp.org/content/30/212/187.4.short 4100 - http://bjgp.org/content/30/212/187.4.full SO - J R Coll Gen Pract1980 Mar 01; 30