Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
editorials
Electrocardiographic PR Lengthening and QRS Widening
– What Else Should We Learn From Such Simple Information? –
Toru MaruyamaHisataka Nakamura
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2013 Volume 77 Issue 1 Pages 41-42

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© 2013 THE JAPANESE CIRCULATION SOCIETY
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