PT - JOURNAL ARTICLE AU - T Lipman TI - Evidence based medicine. DP - 1997 Sep 01 TA - British Journal of General Practice PG - 591--592 VI - 47 IP - 422 4099 - http://bjgp.org/content/47/422/591.2.short 4100 - http://bjgp.org/content/47/422/591.2.full SO - Br J Gen Pract1997 Sep 01; 47