%0 Journal Article %A Kurt C. Stange %T On TRACK: Comorbidity and External Validity, Exemplary Practice, Postpartum Support %D 2006 %R 10.1370/afm.595 %J The Annals of Family Medicine %P 269-270 %V 4 %N 3 %U https://www.annfammed.org/content/annalsfm/4/3/269.full.pdf