RT Journal Article SR Electronic T1 A Meta-Analysis of Peer-Support Interventions for Adults With Diabetes JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP iii OP iii DO 10.1370/afm.1998 VO 14 IS 6 A2 Johansen, Michael E. YR 2016 UL http://www.annfammed.org/content/14/6/iii.abstract AB