TY - RPRT TI - [Characterization of the difference between filtered back projection and ordered subsets expectation maximization in spect images using the Wavelet Transform]. AU - A Pérez AU - R Piotrkowski AU - R Galli AU - G La Mura AU - F J Peña DO - 10.1016/s0212-6982(04)72240-5 UR - https://pubmed.ncbi.nlm.nih.gov/14718146/ ID - 14718146 ER -