Abstract Dried blood samples (DBSs) have many advantages; yet. impediments have limited the clinical utilization of DBSs. We developed a novel volumetric sampling device that collects a precise volume of blood. which overcomes the heterogeneity and hematocrit issues commonly encountered in a traditional DBS card collection as well as allowing for more efficient extraction and processi... https://parisnaturalfoodes.shop/product-category/goldenrod/