Electrochemical determination of apparent ionized serum calcium using a calcium-selective electrode: the method and values in normal humans and a comparison to total serum calcium.

@article{Hattner1970ElectrochemicalDO,
  title={Electrochemical determination of apparent ionized serum calcium using a calcium-selective electrode: the method and values in normal humans and a comparison to total serum calcium.},
  author={Robert S. Hattner and James W. Johnson and Dennis S. Bernstein and A Wachman and J Brackman},
  journal={Clinica chimica acta; international journal of clinical chemistry},
  year={1970},
  volume={28 1},
  pages={67-75}
}