PT - JOURNAL ARTICLE AU - John Campbell Murdoch TI - The end of practice-based research? AID - 10.3399/bjgp09X394897 DP - 2009 Jan 01 TA - British Journal of General Practice PG - 52--52 VI - 59 IP - 558 4099 - http://bjgp.org/content/59/558/52.short 4100 - http://bjgp.org/content/59/558/52.full SO - Br J Gen Pract2009 Jan 01; 59