@misc{indiciaea3a31606b8bb,
  title = {'Cleavage fields': hypothesis on early embryonic development.},
  author = {G Catalano},
  year = {1977},
  doi = {10.1016/0045-6039(77)90033-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/560917/},
  note = {Source identifier: 560917}
}