RT Journal Article SR Electronic T1 THE CORRELATION BETWEEN VARIOUS ASSESSMENTS OF PULMONARY ARTERIAL PRESSURE IN MITRAL STENOSIS JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 466 OP 470 DO 10.1136/hrt.20.4.466 VO 20 IS 4 A1 Boyd, J. F. A1 Park, S. D. Scott A1 Smith, George YR 1958 UL http://heart.bmj.com/content/20/4/466.abstract AB