@misc{indiciaede3df40975cd,
  title = {Physiological changes in early pregnancy.},
  author = {F E Hytten},
  year = {1968},
  doi = {10.1111/j.1471-0528.1968.tb02915.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5702355/},
  note = {Source identifier: 5702355}
}