PT - JOURNAL ARTICLE AU - Paul Glasziou TI - How much monitoring? DP - 2007 May 01 TA - British Journal of General Practice PG - 350--351 VI - 57 IP - 538 4099 - http://bjgp.org/content/57/538/350.short 4100 - http://bjgp.org/content/57/538/350.full SO - Br J Gen Pract2007 May 01; 57