@misc{indiciaeff409d5a83a5,
  title = {[Classification of rheumatic diseases. Knowledge and problems].},
  author = {K Leistner and R E Altus and G Wessel},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2102034/},
  note = {Source identifier: 2102034}
}