@article{calvin_1921, 
  title={ANEURYSMS OF THE THORACIC AORTA IN CHILDREN}, 
  volume={21}, 
  DOI={10.1001/archpedi.1921.01910340014002}, 
  publisher={American Medical Association (AMA)}, 
  author={CALVIN}, 
  year={1921}, 
  month={Apr}
  }