@article{smith_1905, 
  title={Laboratory Aids in the Diagnosis of Disorders of the Gastrointestinal Tract}, 
  volume={153}, 
  DOI={10.1056/nejm190512211532504}, 
  number={25}, 
  publisher={New England Journal of Medicine (NEJM/MMS)}, 
  author={SMITH}, 
  year={1905}, 
  month={Dec}
  }