@misc{indiciae8f16f70a678d,
  title = {Digoxin radioimmunoassay.},
  author = {V P Butler},
  year = {1971},
  doi = {10.1016/s0140-6736(71)91955-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4102206/},
  note = {Source identifier: 4102206}
}