@misc{indiciaeb8115e7ec3b3,
  title = {[Chorionepithelioma developing simultaneously with normal pregnancy or with hydatidiform mole].},
  author = {T Vulkov and T Piperkov},
  year = {1966},
  url = {https://pubmed.ncbi.nlm.nih.gov/6001498/},
  note = {Source identifier: 6001498}
}