@misc{indiciaee84cb4905888,
  title = {Breastfeeding in developing countries.},
  author = {J Villar and J M Belizan},
  year = {1981},
  doi = {10.1016/s0140-6736(81)92755-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6116096/},
  note = {Source identifier: 6116096}
}