TY - RPRT TI - SPECT liver imaging using an iterative attenuation correction algorithm and an external flood source. AU - J A Malko AU - R L Van Heertum AU - G T Gullberg AU - W P Kowalsky PY - 1986 UR - https://pubmed.ncbi.nlm.nih.gov/3486959/ ID - 3486959 ER -