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Bibliography:local:heartjnl;34/7/681
href:heartjnl-34-681.pdf
PMID:5041435
istex:43DD92DFF0B8AB349A09B3F6D4F7EE6599D318A9
ark:/67375/NVC-M35NZ2J2-T
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0007-0769
1468-201X
2053-5864
DOI:10.1136/hrt.34.7.681