TY - RPRT TI - Quantitative bremsstrahlung single photon emission computed tomographic imaging: use for volume, activity, and absorbed dose calculations. AU - J A Siegel AU - L S Zeiger AU - S E Order AU - P E Wallner PY - 1995 DO - 10.1016/0360-3016(94)00464-1 UR - https://pubmed.ncbi.nlm.nih.gov/7860411/ ID - 7860411 ER -