RBP-EIA: Collecting, Processing, and Handling Venous, Capillary, and Blood Spot Samples (Job Aid)
This document serves as a guide to phlebotomists and a training aid in the proper methods of obtaining blood samples for analysis by the retinol-binding protein enzyme immunoassay (RBP-EIA) used in testing for vitamin A deficiency.
Publication date: January 2005