RT Journal Article SR Electronic T1 Management of anticoagulants during pregnancy JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 125 OP 126 DO 10.1136/hrt.86.2.125 VO 86 IS 2 A1 GUY HANANIA YR 2001 UL http://heart.bmj.com/content/86/2/125.abstract AB