@article {Watson507, author = {Nat E. Watson, Jr. and Robert J. Cowan and Marshall R. Ball and Dixon M. Moody and D. Wayne Laster and C. Douglas Maynard}, title = {A Comparison of Brain Imaging with Gamma Camera, Single-Photon Emission Computed Tomography, and Transmission Computed Tomography: Concise Communication}, volume = {21}, number = {6}, pages = {507--511}, year = {1980}, publisher = {Society of Nuclear Medicine}, issn = {0161-5505}, URL = {https://jnm.snmjournals.org/content/21/6/507}, eprint = {https://jnm.snmjournals.org/content/21/6/507.full.pdf}, journal = {Journal of Nuclear Medicine} }