@misc{indiciae81a463f92ef6,
  title = {Procainamide assay: a spitting image.},
  author = {R H De Jong},
  year = {1977},
  doi = {10.1001/jama.237.15.1600a},
  url = {https://pubmed.ncbi.nlm.nih.gov/576660/},
  note = {Source identifier: 576660}
}