@misc{indiciae68e258f7f14e,
  title = {Norethisterone contraceptive microspheres.},
  author = {R Rivera and G Alvarado and C Flores and S Aldaba and A Hernandez},
  year = {1987},
  doi = {10.1016/0022-4731(87)90181-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3695501/},
  note = {Source identifier: 3695501}
}