Does body position before and during blood sampling influence the Athlete Biological Passport variables?
Tiffany AstolfiYorck Olaf SchumacherFabienne Crettaz von RotenMartial SaugyRaphael FaissPublished in: International journal of laboratory hematology (2019)
The observed variations in [Hb] and Hct may have minor clinical significance, while they underline the need to follow strict guidelines for posture before and during blood sampling in an anti-doping context.