@misc{indiciaebf2e01ed6961,
  title = {Nighttime versus daytime hypnotic self-administration.},
  author = {Timothy Roehrs and Alicia Bonahoom and Bonita Pedrosi and Frank Zorick and Thomas Roth},
  year = {2002},
  doi = {10.1007/s00213-002-1041-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/11981593/},
  note = {Source identifier: 11981593}
}