@misc{indiciae854236c2bdae,
  title = {Reduced vertebral bone density in hypercalciuric nephrolithiasis},
  author = {Pietschmann, F. and Breslau, N. A. and Pak, C. Y.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/20050000554},
  note = {Source identifier: 20050000554}
}