TY - JOUR JF - The Annals of Family Medicine JO - Ann Fam Med SP - 311 LP - 311 DO - 10.1370/afm.1833 VL - 13 IS - 4 A2 - , Y1 - 2015/07/01 UR - http://www.annfammed.org/content/13/4/311.4.abstract N2 - ER -