@misc{indiciae8adca11c38e8,
  title = {Leflunomide and methotrexate.},
  author = {R F Laan and P L van Riel and L B van de Putte},
  year = {2001},
  doi = {10.1097/00002281-200105000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/11333342/},
  note = {Source identifier: 11333342}
}