@misc{indiciae912353829659,
  title = {Theory and technique of problem-oriented therapy.},
  author = {A Blaser and C Ringer and M Thommen and E Heim},
  year = {1990},
  doi = {10.1159/000288362},
  url = {https://pubmed.ncbi.nlm.nih.gov/2290895/},
  note = {Source identifier: 2290895}
}