1Department of Chemical Pathology, St. James's University Hospital, Leeds, LS9 7TF, UK
2Department of Chemical Pathology, Leeds General Infirmary, Leeds, LS1 3EX, UK
3Pathology Department, Riyadh Armed Forces Hospital, PO Box 7897, Riyadh, 11159, Saudi Arabia
Copyright © 1986 Hindawi Publishing Corporation.
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