Diurnal and seasonal changes in regulation of the cardiac rhythm in mechanized agricultural workers.

@article{MYa1979DiurnalAS,
  title={Diurnal and seasonal changes in regulation of the cardiac rhythm in mechanized agricultural workers.},
  author={Bolsunova MYa},
  journal={Human physiology},
  year={1979},
  volume={4 2},
  pages={262-6}
}