Letters to the Editor
Seasonal variation of venous thrombosis: a consecutive case series within studies from Leiden, Milan and Tromsø: a rebuttal
Correspondence: Søren Risom Kristensen, Department of Clinical Biochemistry, Center for Cardiovascular Research, Aalborg University Hospital, Dk-9000 Aalborg, Denmark.
Tel.: +45 99323158; fax: +45 98131196.
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