PT - JOURNAL ARTICLE AU - Alan Searle TI - 33 years of changes, and lack of changes, in US general practice AID - 10.3399/bjgp12X652436 DP - 2012 Jul 01 TA - British Journal of General Practice PG - 372--372 VI - 62 IP - 600 4099 - http://bjgp.org/content/62/600/372.short 4100 - http://bjgp.org/content/62/600/372.full SO - Br J Gen Pract2012 Jul 01; 62