@article{etten_westerterp_verstappen_boon_saris_1997, 
  title={Effect of an 18-wk weight-training program on energy expenditure and physical activity}, 
  volume={82}, 
  DOI={10.1152/jappl.1997.82.1.298}, 
  publisher={American Physiological Society}, 
  author={Etten and Westerterp and Verstappen and Boon and Saris}, 
  year={1997}
  }