@misc{indiciaeca35e7f06802,
  title = {Bolus ejection: a method for removing sea urchin spines.},
  author = {Joseph W Burnett},
  year = {2002},
  doi = {10.1067/mem.2002.120747},
  url = {https://pubmed.ncbi.nlm.nih.gov/11782740/},
  note = {Source identifier: 11782740}
}