From the Departments of Pathology, Vancouver General Hospital and the University of British Columbia, Vancouver, Canada. Address correspondence and requests for reprints to Dr. Philip B. Clement, Department of Pathology, Vancouver General Hospital, 910 W. 10th Avenue, Room 1302, Vancouver, British Columbia, Canada V5Z 4E3 ∥∥∥ William J. Fitzgerald was a member of the Department of Obstetrics and Gynecology, Albany Medical Center.
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Philip B. Clement (2001) studied this question.
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