@misc{indiciaeb68652d7bed4,
  title = {[External counterpulsation].},
  author = {A L Syrkin and N V Khapilov and Iu S Demidov and Iu I Gurfinkel' and Iu P Solov'ev},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4204570/},
  note = {Source identifier: 4204570}
}