RT Journal Article SR Electronic T1 Mixed Methods Studies: A Foundation for Primary Care Research JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 4 OP 6 DO 10.1370/afm.111 VO 2 IS 1 A1 Borkan, Jeffrey M. YR 2004 UL http://www.annfammed.org/content/2/1/4.abstract AB