Key points are not available for this paper at this time.
May inform select surgical decisions; leaves open need for prospective validation.
* Division of Cardiovascular Surgery, Mayo Clinic, Rochester, MN, USA **Correspondence address: Thoralf M Sundt, MD, FACS, Division of Cardiovascular Surgery, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA. Received February 12, 2003; accepted February 13, 2003.
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Thoralf M. Sundt (2003) studied this question.
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