PT - JOURNAL ARTICLE AU - Graham Watt TI - A social institution based on mutuality and trust AID - 10.3399/bjgp11X613188 DP - 2011 Dec 01 TA - British Journal of General Practice PG - 741--741 VI - 61 IP - 593 4099 - http://bjgp.org/content/61/593/741.short 4100 - http://bjgp.org/content/61/593/741.full SO - Br J Gen Pract2011 Dec 01; 61