@misc{indiciae1e6b11615d97,
  title = {[P loop in ischemic heart diseases].},
  author = {K Shimizu and K Muto and T Takahasi and K Atumi and K Matukawa},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/560549/},
  note = {Source identifier: 560549}
}