[Activity of heart pacemaker and thyroid hormone level in the blood of guinea pigs of different age].

@article{Vitous1972ActivityOH,
  title={[Activity of heart pacemaker and thyroid hormone level in the blood of guinea pigs of different age].},
  author={J Vitous and J. Vlk},
  journal={Ceskoslovenska fysiologie},
  year={1972},
  volume={21 1},
  pages={95-7}
}