RT Journal Article SR Electronic T1 Hypertension in surgical patients: the role of beta-blockers JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 511 OP 512 DO 10.3399/bjgp16X687253 VO 66 IS 651 A1 Pierre Foex A1 John Sear YR 2016 UL http://bjgp.org/content/66/651/511.4.abstract AB