@misc{indiciaeeae5f8102791,
  title = {Methodological prerequisites for drug utilisation studies.},
  author = {W D Sittner and Z Desta and W D Wiezorek},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3698974/},
  note = {Source identifier: 3698974}
}