TY - RPRT TI - An immediate after-backprojection filtering method with blob-shaped window functions for voxel-based iterative reconstruction. AU - Bin Zhang AU - Gengsheng L Zeng PY - 2006 DO - 10.1088/0031-9155/51/22/007 UR - https://pubmed.ncbi.nlm.nih.gov/17068367/ ID - 17068367 ER -