@misc{indiciae9faccc0ef086,
  title = {[Heart transplantation].},
  author = {R Zenker and W Klinner and F Sebening},
  year = {1969},
  doi = {10.1007/bf01238409},
  url = {https://pubmed.ncbi.nlm.nih.gov/4904722/},
  note = {Source identifier: 4904722}
}