PT - JOURNAL ARTICLE AU - Mark Freeman TI - Alford's theoretical work AID - 10.3399/bjgp08X342156 DP - 2008 Sep 01 TA - British Journal of General Practice PG - 651--651 VI - 58 IP - 554 4099 - http://bjgp.org/content/58/554/651.2.short 4100 - http://bjgp.org/content/58/554/651.2.full SO - Br J Gen Pract2008 Sep 01; 58