The impact of hospital cardiac specialization on outcomes after coronary artery bypass graft surgery: analysis of medicare claims data.
Girotra
Saket
S
Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City, 52242, USA. saket-girotra@uiowa.edu
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Xin
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Popescu
Ioana
I
Vaughan-Sarrazin
Mary
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Horwitz
Phillip A
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Cram
Peter
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