@misc{indiciaef5ad4d71437d,
  title = {Improving depression severity assessment--I. Reliability, internal validity and sensitivity to change of three observer depression scales.},
  author = {W Maier and M Philipp and I Heuser and S Schlegel and R Buller and H Wetzel},
  year = {1988},
  doi = {10.1016/0022-3956(88)90022-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/3397908/},
  note = {Source identifier: 3397908}
}