@misc{indiciae7a18c2c5a9e8,
  title = {[Are egg-shell calcifications pathognomonic for silicosis?].},
  author = {G BALESTRA},
  year = {1952},
  url = {https://pubmed.ncbi.nlm.nih.gov/13027559/},
  note = {Source identifier: 13027559}
}