RT Journal Article SR Electronic T1 Developing middle-ground research to support primary care transformation JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 498 OP 499 DO 10.3399/bjgp17X693209 VO 67 IS 664 A1 Bruce Guthrie A1 John Gillies, OBE A1 Catherine Calderwood A1 Gregor Smith A1 Stewart Mercer YR 2017 UL http://bjgp.org/content/67/664/498.abstract AB