RT Journal Article SR Electronic T1 Evaluating primary care groups. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 1640 OP 1641 VO 48 IS 435 A1 S Gillam A1 A Coulter YR 1998 UL http://bjgp.org/content/48/435/1640.abstract AB