RT Journal Article SR Electronic T1 Vital signs JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 491 OP 491 DO 10.3399/bjgp13X671786 VO 63 IS 614 A1 Brettell, Rachel YR 2013 UL http://bjgp.org/content/63/614/491.abstract AB