@misc{indiciae73ae227aaecf,
  title = {[Secretory IgA in amniotic fluid].},
  author = {K N Prozorovskaia and D V Stefani and L V Antonova},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/855521/},
  note = {Source identifier: 855521}
}