@misc{indiciaead2347c671c9,
  title = {[Psychiatric first aid].},
  author = {R M Silbermann and P J Geerlings and H F Schalken and W F van der Veen},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4695163/},
  note = {Source identifier: 4695163}
}