@misc{indiciaeaef60d8560cb,
  title = {Contrast effect on subjective experience in drug experiments.},
  author = {C A Haertzen},
  year = {1969},
  doi = {10.2466/pr0.1969.24.1.69},
  url = {https://pubmed.ncbi.nlm.nih.gov/4892575/},
  note = {Source identifier: 4892575}
}