@misc{indiciaefef27fee3c4c,
  title = {Vitamin B12 in the developing chick embryo.},
  author = {B SKARZYNSKI and Z ZAK and W OSTROWSKI and M K DAVIES and M E GREGORY and S K KON},
  year = {1959},
  doi = {10.1079/bjn19590011},
  url = {https://pubmed.ncbi.nlm.nih.gov/13628942/},
  note = {Source identifier: 13628942}
}