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[Parvovirus B19 infection].
In 1975, during blood screening for hepatitis B, Cossart et al. discovered the human parvovirus B19 (B19). It is a small, single strand DNA virus of the Parvoviridae family. This virus is widespreadExpand
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Prevalences of hyperhomocysteinemia, unfavorable cholesterol profile and hypertension in European populations
BackgroundHyperhomocysteinemia (HHCY) is a risk factor for cardiovascular diseases (CVD). HHCY may interact with hypertension (HTEN) and an unfavorable cholesterol profile (UNFAVCHOL) to alter theExpand
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Weak D type 2 is the most prevalent weak D type in Portugal
summary.  The weak D phenotype is the most common D variant, with a frequency of 0·2–1% in Caucasian individuals. There are several weak D types, with different frequencies in European countries,Expand
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Soluble Selectins, sICAM, sVCAM, and Angiogenic Proteins in Different Activity Groups of Patients with Inflammatory Bowel Disease
The endothelium is involved in the pathogenesis of inflammatory bowel disease (IBD). So far knowledge of the precise role of soluble adhesion molecules and angiogenic factors at different periods ofExpand
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High prevalence of combined thrombophilic abnormalities in patients with inflammatory bowel disease
Introduction A hypercoagulable state has been recognized in patients with inflammatory bowel disease. Objective The aim of this study was to determine the frequency of single and combinedExpand
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Combined Factor V Leiden (R506Q) and prothrombin G20210A genotyping in young patients presenting with deep venous thrombosis
Objective: To evaluate the association between the Factor V Leiden (FV R506Q) and prothrombin gene (FII G20210A) mutations and deep venous thrombosis (DVT) in young people. Methods: Blood samplesExpand
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Genetic Risk Factors in Acute Coronary Disease
Objective: We investigate whether each of the following: HPA-1, Factor V Leiden, prothrombin gene variant and the methylene tetrahydrofolate reductase gene (MTHFR) mutation, are risk factors forExpand
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Genetic polymorphisms and risk of recurrent deep venous thrombosis in young people: prospective cohort study.
OBJECTIVE To determine the incidence of deep venous thrombosis (DVT) recurrence in young people, and its association with some genetic polymorphisms (FV G1691A, FII G20210A, MTHFR C677T, PAI-1Expand
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Dopamine D2 Receptor Polymorphisms in Inflammatory Bowel Disease and the Refractory Response to Treatment
Dopamine and its receptors may be involved in inflammatory reaction. The availability of this molecule depends on its receptors. The DRD2 gene, which codifies for the D2 dopamine receptor, hasExpand
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Prevalence of Parvovirus B19 and Hepatitis A virus in Portuguese blood donors.
INTRODUCTION In recent years, concern about the safety of blood in regard to the transmission of blood-borne viruses has been decreased. Safety has been achieved with a combination of differentExpand
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