@misc{indiciaee0879c517154,
  title = {Microprocessor-based memory device for ambulatory heart rate and physical activity recording.},
  author = {M Makikawa and K Imai and T Shindoi and K Tanooka and H Iizumi and H Mitani},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/8177089/},
  note = {Source identifier: 8177089}
}