RT Journal Article SR Electronic T1 Idealistic, impractical, impossible? Shared decision making in the real world JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 403 OP 404 VO 56 IS 527 A1 Glyn Elwyn YR 2006 UL http://bjgp.org/content/56/527/403.abstract AB