TY - JOUR AU - Kinahan, P E; Townsend, D W; Beyer, T TI - Attenuation correction for a combined 3D PET/CT scanner JO - Med Phys VL - 25 PY - 1998 DO - 10.1118/1.598392 L3 - PubMed-ID: 9800714 SP - 2046 EP - 2053 N1 - . doi:10.1118/1.598392 ER -