Analytical SciencePublished 4 July 2023Detection of exon 5 c.577del variant of human erythropoietin gene in whole blood, dried blood spots and urine samples for doping controlFrancesco Donati · Livia Concetti · Xavier de la Torre · Xinmiao Zhou · Lisi Zhang · Francesco BotrèFrontiers in Analytical Sciencedoi 10.3389/frans.2023.1202074