@misc{indiciae40621010dae2,
  title = {Simple method for extracting vitamin D metabolites from biological samples.},
  author = {F Risco and M Babé and M L Traba},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3568378/},
  note = {Source identifier: 3568378}
}