@misc{indiciae1ae3c2905f31,
  title = {[Exudative pleural effusion].},
  author = {H Riska and C Friman and M Klockars and T Pettersson and T P Hellström},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/648425/},
  note = {Source identifier: 648425}
}