RT Journal Article SR Electronic T1 Polyclinics and polysystems: evolving ambiguity, evidence required JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 400 OP 401 DO 10.3399/bjgp10X502083 VO 60 IS 575 A1 Patrick Hutt A1 Surinder Singh A1 Michael Modell A1 Irwin Nazareth YR 2010 UL http://bjgp.org/content/60/575/400.abstract AB