@misc{indiciaeb6895f3a2860,
  title = {[Rheumatic and nonrheumatic heart defects (the diagnostic problems)].},
  author = {V A Nasonova and D Zh Khaĭdarova and S L Dzemeshkevich and A I Speranskiĭ and G P Kotel'nikova},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/2068656/},
  note = {Source identifier: 2068656}
}