From the Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York. Submitted for publication April 13, 2002. Accepted for publication June 12, 2002. Address for reprints: Donald W. Landry, MD, PhD, Columbia University Physicians and Surgeons Bldg., 10-445, 630 West 168 Street, New York, NY 10032 ; email: [email protected]
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Robin et al. (2003) studied this question.
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