PT - JOURNAL ARTICLE AU - Greenhalgh, Trisha TI - First and last AID - 10.3399/bjgp12X649205 DP - 2012 Jun 01 TA - British Journal of General Practice PG - 315--315 VI - 62 IP - 599 4099 - http://bjgp.org/content/62/599/315.short 4100 - http://bjgp.org/content/62/599/315.full SO - Br J Gen Pract2012 Jun 01; 62