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Refined two-regression model for the ActiGraph accelerometer.
Crouter SE, Kuffel E, Haas JD, Frongillo EA, Bassett DR Jr. Crouter SE, et al. Among authors: kuffel e. Med Sci Sports Exerc. 2010 May;42(5):1029-37. doi: 10.1249/MSS.0b013e3181c37458. Med Sci Sports Exerc. 2010. PMID: 20400882 Free PMC article.
VO2max during successive maximal efforts.
Foster C, Kuffel E, Bradley N, Battista RA, Wright G, Porcari JP, Lucia A, deKoning JJ. Foster C, et al. Among authors: kuffel e. Eur J Appl Physiol. 2007 Dec;102(1):67-72. doi: 10.1007/s00421-007-0565-x. Epub 2007 Sep 22. Eur J Appl Physiol. 2007. PMID: 17891414