@misc{indiciae980df2f205e8,
  title = {Another look at early-pregnancy classes.},
  author = {J U Bretschneider and A C Minetola},
  doi = {10.1097/00005721-198307000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/6412020/},
  note = {Source identifier: 6412020}
}