PT - JOURNAL ARTICLE AU - Martin Marshall TI - Practice, politics, and possibilities AID - 10.3399/bjgp09X420266 DP - 2009 Aug 01 TA - British Journal of General PracticeThe British Journal of General Practice PG - e273--e282 VI - 59 IP - 565 4099 - http://bjgp.org/content/59/565/e273.short 4100 - http://bjgp.org/content/59/565/e273.full SO - Br J Gen Pract2009 Aug 01; 59