@misc{indiciae50a1ebbeac92,
  title = {Echocardiogram before and after subtotal thyroidectomy for hyperthyroidism.},
  author = {K Otsuka and T Yanaga and S Kudo and A Noguchi},
  year = {1977},
  doi = {10.1536/ihj.18.17},
  url = {https://pubmed.ncbi.nlm.nih.gov/846046/},
  note = {Source identifier: 846046}
}