TY - JOUR T1 - Practice-Based Research Networking for Growing the Evidence to Substantiate Primary Care Medicine JF - The Annals of Family Medicine JO - Ann Fam Med SP - 180 LP - 181 VL - 2 IS - 2 A2 - , Y1 - 2004/03/01 UR - http://www.annfammed.org/content/2/2/180.abstract N2 - ER -