The specimen of choice that enables the collection of small blood volumes from neonatal or critically ill patients is a capillary blood specimen. This specimen type has gained favour with many ...

Venous blood sampling is the most common invasive procedure in healthcare. A recent investigation performed by the Working group for Preanalytical Phase (WG-PRE) of the European Federation for ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

The latest bottleneck to rolling out diagnostic testing for COVID-19 has been a shortage of tools and equipment needed to collect and transport samples. Manufacturers of swabs and transport media say ...