@misc{indiciae97fd5c20f549,
  title = {[From obstetrical practice].},
  author = {S I Mal'tsev and N P Kolushov and V E Koval'chuk and P K Svadzhan and D G Grigorian},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4663788/},
  note = {Source identifier: 4663788}
}