@misc{indiciae4ae21b3d9ed6, title = {Computed tomography and contrast enhancement.}, author = {J O Greenberg and H Houser and G Shepherd and H Harris and A Alves and I Mier and G Morley}, year = {1979}, doi = {10.7326/0003-4819-90-5-858\_3}, url = {https://pubmed.ncbi.nlm.nih.gov/434709/}, note = {Source identifier: 434709} }