Vascular testing for impotence.

@article{Seftel1992VascularTF,
  title={Vascular testing for impotence.},
  author={Allen D. Seftel and Irwin S. Goldstein},
  journal={Journal of nuclear medicine : official publication, Society of Nuclear Medicine},
  year={1992},
  volume={33 1},
  pages={46-8}
}