@misc{indiciaeefeaa832581a,
  title = {[Programmed ECG-course].},
  author = {V Flörkemeier and K D Grosser and H Appendrodt},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1227059/},
  note = {Source identifier: 1227059}
}