PT - JOURNAL ARTICLE AU - Michael Mazzone AU - Stoney Abercrombie AU - Joseph Gravel, Jr. AU - Karen Hall AU - Grant Hoekzema AU - Stanley Kozakowski AU - Benjamin Schneider AU - Todd Shaffer AU - Martin Wieschhaus TI - THE DELTA-EXCHANGE AID - 10.1370/afm.1306 DP - 2011 Sep 01 TA - The Annals of Family Medicine PG - 467--468 VI - 9 IP - 5 4099 - http://www.annfammed.org/content/9/5/467.short 4100 - http://www.annfammed.org/content/9/5/467.full SO - Ann Fam Med2011 Sep 01; 9