@misc{indiciae2760137af183,
  title = {Shifting targets for our magic bullets.},
  author = {A Burgen},
  year = {1972},
  doi = {10.1007/978-3-0348-5864-9\_17},
  url = {https://pubmed.ncbi.nlm.nih.gov/4644550/},
  note = {Source identifier: 4644550}
}