@misc{indiciaef05cb395e731,
  title = {Symptom clusters in advanced illness.},
  author = {Peg Esper and Debra Heidrich},
  year = {2005},
  doi = {10.1053/j.soncn.2004.10.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15807053/},
  note = {Source identifier: 15807053}
}