RT Journal Article SR Electronic T1 Self-monitored blood pressure measurements JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 63 OP 63 DO 10.3399/bjgp11X549063 VO 61 IS 582 A1 Ray O'Connor YR 2011 UL http://bjgp.org/content/61/582/63.1.abstract AB