@article{articleec25655b,
title   = {A clinical gamma camera-based pinhole collimated system for high resolution small animal SPECT imaging},
author = {Mejia, J. and Galvis-Alonso, O. Y. and Castro, A. A. de and Braga, J. and Leite, João Pereira and Simoes, Marcus Vinicius},
year = {2010},
doi = {10.1590/s0100-879x2010007500128},
journal   = {Brazilian Journal of Medical and Biological Research}
}