@misc{indiciaea9845e6ab5b7,
  title = {Beta-endorphins in labor.},
  author = {M Mega and F Giorgino and G Tambuscio and A Bonivento},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/6286166/},
  note = {Source identifier: 6286166}
}