PT - JOURNAL ARTICLE AU - Jonathan Leach TI - Simple statistics DP - 1992 Jun 01 TA - British Journal of General Practice PG - 261--261 VI - 42 IP - 359 4099 - http://bjgp.org/content/42/359/261.3.short 4100 - http://bjgp.org/content/42/359/261.3.full SO - Br J Gen Pract1992 Jun 01; 42