@misc{indiciaecac79c698796,
  title = {Myocardial blood flow: Roentgen videodensitometry techniques},
  author = {Smith, H. C. and Robb, R. A. and Wood, E. H.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19770009767},
  note = {Source identifier: 19770009767}
}