@misc{indiciae1ba658fcb1f6,
  title = {Factors affecting T3 and T4 proficiency testing.},
  author = {I L Hubert and W Shaw and F W Spierto},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/848501/},
  note = {Source identifier: 848501}
}