@misc{indiciae366a6280dc2e,
  title = {[Post-vaccination tuberculin response using PPD derived from BCG].},
  author = {E Sarinho and M Pontual and M R Carvalho and M J da Costa},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1837717/},
  note = {Source identifier: 1837717}
}