RT Journal Article SR Electronic T1 Tip of the Iceberg JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 268 OP 268 DO 10.1370/afm.1124 VO 8 IS 3 A1 Kurt C. Stange YR 2010 UL http://www.annfammed.org/content/8/3/268.abstract AB