@misc{indiciaeb617434cba07,
  title = {Corpus luteum function in lactating women using the Progestasert system.},
  author = {M I Abdalla and I I Ibrahim and M I Osman and M H Badraoui and H Askalani},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/12336864/},
  note = {Source identifier: 12336864}
}