@misc{indiciae0b948b57a190,
  title = {Birth defects and vaginal spermicides.},
  author = {S Shapiro and D Slone and O P Heinonen and D W Kaufman and L Rosenberg and A A Mitchell and S P Helmrich},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/6279895/},
  note = {Source identifier: 6279895}
}