PT - JOURNAL ARTICLE AU - Stange, Kurt C. TI - On TRACK: Comorbidity and External Validity, Exemplary Practice, Postpartum Support AID - 10.1370/afm.595 DP - 2006 May 01 TA - The Annals of Family Medicine PG - 269--270 VI - 4 IP - 3 4099 - http://www.annfammed.org/content/4/3/269.short 4100 - http://www.annfammed.org/content/4/3/269.full SO - Ann Fam Med2006 May 01; 4