Shearer J, Graham TE, Battram DS, Robinson DL, Richter EA, Wilson RJ, Bakovic M. Glycogenin activity and mRNA expression in response to volitional exhaustion in human skeletal muscle. J Appl Physiol (1985). 2005 Sep;99(3):957–62. doi: 10.1152/japplphysiol.00275.2005. PMID: 15860684.