@article{SchefflerKetelhutMohassebetal.2004,
  author    = {Christiane Scheffler and Kerstin Ketelhut and Iman Mohasseb and Reinhard G. Ketelhut},
  title     = {The influence of an exercise program on body composition, motor and cardiovascular parameters in pre-school children : a longitudinal study},
  year      = {2004},
}