@misc{indiciaecc28810e546a,
  title = {Problems in performing a double-blind multicenter study using a hypnotic in private practice.},
  author = {W Fischer and W Haase and E Rüther and P Clarenbach and G Hajak},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1490788/},
  note = {Source identifier: 1490788}
}