RT Journal Article SR Electronic T1 ENDOCARDIAL THICKENING ASSOCIATED WITH DISEASED VALVES JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 155 OP 160 DO 10.1136/hrt.23.2.155 VO 23 IS 2 A1 Still, W. J. S. YR 1961 UL http://heart.bmj.com/content/23/2/155.abstract AB