@misc{indiciaeecc47f18c5d0,
  title = {Cell specific, variable density, polymer microspheres},
  author = {Yen, Shiao-Ping S. and Rembaum, Alan and Molday, Robert S.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/20080012241},
  note = {Source identifier: 20080012241}
}