Circulation (journal)
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2008-06-24T12:23:28Z
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two out of six new subspecialty appearning
'''''Circulation''''' is a [[scientific journal]] published by the [[American Heart Association]]. From 1996 to 2004, its [[impact factor]] has remained close to 10.
2008 saw the appearance of two subspecialty journals out of a planned six journals. The first edition of '''''Circulation: Arrhythmia and Electrophysiology''''' (Circ Arrhythm Electrophysiol) appeared in April 2008,<ref>{{cite journal | author=Stevenson WG, Berul CI | title=arrhythmia and electrophysiology, the eagle can land | journal=Circ Arrhythmia Electrophysiol | year=2008 | month=April | volume=1 | issue=1 | pages=1 | doi=10.1161/CIRCEP.108.771139}}</ref> followed by an edition dedicated to [[heart failure]] in May titled '''Circulation: Heart Failure''' (Circ Heart Fail).<ref>{{cite journal | author=Udelson JE | title=The inaugural issue of Circulation: Heart Failure | journal= Circ Heart Fail | year=2008 | month=May | volume=1 | edition=1 | pages=1 | doi=10.1161/CIRCHEARTFAILURE.108.774679}}</ref>
== Open access policy ==
All Circulation papers are available for free full-text [[open access]] download after a 12 months grace period after publication. Immediate access to full-text papers less than a year old does, however, require a paid subscription.
==References==
{{reflist}}
== External links ==
*[http://circ.ahajournals.org/ ''Circulation''] home page
*[http://circep.ahajournals.org/ ''Circulation: Arrhythmia and Electrophysiology''] home
*[http://circheartfailure.ahajournals.org/ ''Circulation: Heart Failure''] home page
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[[Category:Medical journals]]