@misc{indiciae6189ec0e1d0e,
  title = {Challenges and obstacles in measuring outcomes.},
  author = {Guido R Zanni},
  year = {2006},
  doi = {10.4140/tcp.n.2006.104},
  url = {https://pubmed.ncbi.nlm.nih.gov/16524355/},
  note = {Source identifier: 16524355}
}