RT Journal Article SR Electronic T1 The future for non-principal general practitioners: lost doctors--lost to whom? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 868 OP 869 VO 49 IS 448 A1 J Shakespeare A1 J Evans YR 1999 UL http://bjgp.org/content/49/448/868.abstract AB