@misc{indiciae04f33b8a6fec,
  title = {Sensitive and rapid high-performance liquid chromatographic method for the simultaneous determination of methotrexate and its metabolites in plasma, saliva and urine.},
  author = {M L Chen and W L Chiou},
  year = {1981},
  doi = {10.1016/s0378-4347(00)84213-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7320138/},
  note = {Source identifier: 7320138}
}