@misc{indiciae698bd6f83c8d,
  title = {[Long-term therapy with nitrates. How can continuous effectiveness be achieved?].},
  author = {W Rudolph and J Dirschinger and G Reiniger and A Beyerle},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2668139/},
  note = {Source identifier: 2668139}
}