TY - JOUR T1 - Mixed Methods Studies: A Foundation for Primary Care Research JF - The Annals of Family Medicine JO - Ann Fam Med SP - 4 LP - 6 DO - 10.1370/afm.111 VL - 2 IS - 1 AU - Jeffrey M. Borkan Y1 - 2004/01/01 UR - http://www.annfammed.org/content/2/1/4.abstract N2 - ER -