RT Journal Article SR Electronic T1 Hypertension guidelines: thresholds, targets, and teratogenicity JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 585 OP 585 DO 10.3399/bjgp08X319800 VO 58 IS 553 A1 Una Martin YR 2008 UL http://bjgp.org/content/58/553/585.abstract AB