@misc{indiciae601b0fc9421a,
  title = {[Placebos].},
  author = {F Kalsbeek and J J van de Langerijt and C Vrij},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5654423/},
  note = {Source identifier: 5654423}
}