@misc{57356,
  author = {Clifton Carey and Gerald Vogel},
  title = {Measurement of Calcium Activity in Oral Fluids by Ion Selective Electrode: Method Evaluation and Simplified Calculation of Ion Activity Products},
  year = {2000},
  number = {105},
  month = {2000-03-01},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851600},
  language = {en},
}