作者单位：Department of Surgery, ?rebro University Hospital, SE-701 85 ?rebro, Sweden,[1]University Hospital, ?rebro, Sweden[2]Clinical Research Centre, University Hospital, ?rebro, Sweden[3]Department of Surgery, ?rebro University Hospital, SE-701 85 ?rebro, Sweden[4]Department of Transfusion Medicine, University Hospital, ?rebro, Sweden[5]
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