@misc{indiciaeb17ca2d54dd5,
  title = {Black marks for MBK.},
  author = {P Cooper},
  year = {1979},
  doi = {10.1016/0015-6264(79)90134-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/232685/},
  note = {Source identifier: 232685}
}