@misc{indiciae4994866ef6a2, title = {Fast transmission CT for determining attenuation maps using a collimated line source, rotatable air-copper-lead attenuators and fan-beam collimation.}, author = {R J Jaszczak and D R Gilland and M W Hanson and S Jang and K L Greer and R E Coleman}, year = {1993}, url = {https://pubmed.ncbi.nlm.nih.gov/8355079/}, note = {Source identifier: 8355079} }