@misc{indiciaefe3e9f2d2fce,
  title = {Early cyclical changes in polyamine synthesis during sea-urchin development.},
  author = {C A Manen and D H Russell},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4729948/},
  note = {Source identifier: 4729948}
}