RT Journal Article SR Electronic T1 Speaking up in the NHS in England: the work of the National Guardian and NHS England JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 198 OP 199 DO 10.3399/bjgp17X690581 VO 67 IS 658 A1 Henrietta Hughes A1 Neil Churchill YR 2017 UL http://bjgp.org/content/67/658/198.abstract AB