@misc{indiciae7d2902119c49,
  title = {Macrophage cell lines derived from major histocompatibility complex II-negative mice},
  author = {Beharka, A. A. and Armstrong, J. W. and Chapes, S. K. and Spooner, B. S.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20040172636},
  note = {Source identifier: 20040172636}
}