@misc{indiciaea4f4b41e4aee,
  title = {BCG STUDY AT A STATE SCHOOL FOR MENTALLY RETARDED.},
  author = {O L BETTAG and A A KALUZNY and D MORSE and D B RADNER},
  year = {1964},
  doi = {10.1378/chest.45.5.503},
  url = {https://pubmed.ncbi.nlm.nih.gov/14145607/},
  note = {Source identifier: 14145607}
}