RT Journal Article SR Electronic T1 Acute mitral regurgitation in pregnancy due to ruptured chordae tendineae. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 541 OP 544 DO 10.1136/hrt.34.5.541 VO 34 IS 5 A1 Caves, P K A1 Paneth, M YR 1972 UL http://heart.bmj.com/content/34/5/541.abstract AB