PT - JOURNAL ARTICLE AU - S M Bird TI - Faulty analysis or unsuitable data? DP - 2009 Jul 01 TA - Journal of Epidemiology and Community Health PG - 590--590 VI - 63 IP - 7 4099 - http://jech.bmj.com/content/63/7/590.1.short 4100 - http://jech.bmj.com/content/63/7/590.1.full SO - J Epidemiol Community Health2009 Jul 01; 63