PT - JOURNAL ARTICLE AU - David J. Spiegelhalter TI - Understanding Uncertainty AID - 10.1370/afm.848 DP - 2008 May 01 TA - The Annals of Family Medicine PG - 196--197 VI - 6 IP - 3 4099 - http://www.annfammed.org/content/6/3/196.short 4100 - http://www.annfammed.org/content/6/3/196.full SO - Ann Fam Med2008 May 01; 6