RT Journal Article SR Electronic T1 First do no harm JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 502 OP 502 DO 10.3399/bjgp14X681733 VO 64 IS 627 A1 Helen Smith A1 Aisha El-Turki A1 Anthony Frew YR 2014 UL http://bjgp.org/content/64/627/502.1.abstract AB