AUTHOR=Ostojic Sergej M. , Stajer Valdemar , Ratgeber Laszlo , Betlehem Jozsef , Acs Pongras , Olah Andras TITLE=Serum GAA as a Possible Biomarker of Exhaustive Exercise? JOURNAL=Frontiers in Physiology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2019.01506 DOI=10.3389/fphys.2019.01506 ISSN=1664-042X