@misc{indiciae81a87c845388,
  title = {Immunological studies in methadone maintained patients.},
  author = {P Cushman and S Gupta and M H Grieco},
  year = {1977},
  doi = {10.3109/10826087709027222},
  url = {https://pubmed.ncbi.nlm.nih.gov/326684/},
  note = {Source identifier: 326684}
}