Breath holding during three weeks' sojourn at high altitude.

@article{Nagasaka1966BreathHD,
  title={Breath holding during three weeks' sojourn at high altitude.},
  author={Tetsuo Nagasaka and Susumu Ando and Kenzo Takagi},
  journal={Nagoya journal of medical science},
  year={1966},
  volume={29 1},
  pages={85-91}
}