@article{howard_1902, 
  title={PRIMARY SARCOMA OF THE ESOPHAGUS AND STOMACH.}, 
  volume={XXXVIII}, 
  DOI={10.1001/jama.1902.62480060030001i}, 
  publisher={American Medical Association (AMA)}, 
  author={HOWARD}, 
  year={1902}, 
  month={Feb}
  }