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J Am Soc Echocardiogr
.
2009 Jun;22(6):A28.
doi: 10.1016/j.echo.2009.04.022.
Author
Peter Frommelt
PMID:
19501323
DOI:
10.1016/j.echo.2009.04.022
No abstract available
MeSH terms
Echocardiography / trends*
Marketing / organization & administration*
Periodicals as Topic / trends*
Societies, Medical / trends*
United States