@misc{indiciae752d256b3673,
  title = {[Freiburg instrument set (1)].},
  author = {J C Türp and M Kern and M B Hürzeler and C Bertalanffy and J R Strub},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1668020/},
  note = {Source identifier: 1668020}
}