@misc{indiciaefc9057fb0b09,
  title = {Long-term codeine use is associated with depressive symptoms.},
  author = {M K Romach and B A Sproule and E M Sellers and G Somer and U E Busto},
  year = {1999},
  doi = {10.1097/00004714-199908000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/10440467/},
  note = {Source identifier: 10440467}
}