TY - RPRT TI - Pre-processing variance reducing techniques in multispectral positron emission tomography. AU - R Yao AU - P Msaki AU - R Lecomte PY - 1997 DO - 10.1088/0031-9155/42/11/016 UR - https://pubmed.ncbi.nlm.nih.gov/9394409/ ID - 9394409 ER -