@misc{indiciae1c6dcc6b0ca7,
  title = {The challenges of serial time dependent data?},
  author = {Mark Sigman and Jon Pryor},
  year = {2005},
  doi = {10.1016/j.fertnstert.2005.04.003},
  url = {https://pubmed.ncbi.nlm.nih.gov/16009205/},
  note = {Source identifier: 16009205}
}